Rittenhouse Square, Philadelphia: The Park William Penn Drew on a Map in 1682

1. The Five Squares: What William Penn Planned in 1682

When William Penn and his surveyor Thomas Holme laid out Philadelphia in 1682, they made a decision almost no other city of that era made: they designated five public squares distributed evenly across the grid, guaranteed as open space in perpetuity. Penn called it his 'Greene Country Towne' vision — a city that would not replicate the overcrowded, fire-prone streets of London, but would breathe.

The plan placed a large central square at the intersection of the two main avenues (now City Hall) and four smaller squares in the quadrants of the city: Franklin Square to the northeast, Washington Square to the southeast, Logan Circle to the northwest, and Southwest Square — renamed Rittenhouse Square in 1825 — to the southwest.

Penn returned to England in 1701 and never came back to Pennsylvania. But the squares survived two centuries of development pressure, and all five are still there. Four drifted: Franklin Square became a family attraction anchored by a mini-golf course; Washington Square is a quiet park hemmed in by traffic; Logan Circle was redesigned as a Parisian traffic circle in the 1920s; Centre Square has City Hall sitting directly on top of it.

Southwest Square evolved differently because of a sustained, private-sector commitment to maintaining its character. The Rittenhouse Square Improvement Association, founded in the 19th century, operates alongside the city's parks department and has kept the park's tree canopy, sculpture, and programming at a level the other squares never matched. When Philadelphia's wealthy families built here and stayed here — instead of decamping to the Main Line suburbs — they brought institutions with them that made leaving harder. That cycle is why the square looks the way it does today.

2. David Rittenhouse: The Scientist the Square Was Named For

In 1825, the City of Philadelphia renamed Southwest Square after David Rittenhouse (1732–1796), and the choice says something deliberate about what Philadelphia valued in the early republic.

Rittenhouse was born on a farm in Germantown and was largely self-taught. By his early twenties he had worked through a copy of Newton's Principia, built precise clockmaking tools by hand, and established himself as the most skilled instrument maker in colonial America. In 1767, he built an orrery — a mechanical model of the solar system showing planetary orbits with adjustable precision — so accurate that it could be set for any date between 5,000 B.C. and 6,000 A.D. The College of Philadelphia (now the University of Pennsylvania) purchased one; Princeton purchased the other.

In 1769, Rittenhouse led Philadelphia's contribution to a worldwide scientific effort: observing the Transit of Venus across the sun from a purpose-built observatory. Simultaneous observations across the globe were being used to calculate the Earth-Sun distance for the first time. Rittenhouse's measurements, made with instruments he fabricated himself, were among the most precise recorded anywhere that day.

He went on to serve as Pennsylvania's State Treasurer during the Revolution and was appointed the first director of the U.S. Mint in 1792 by George Washington. The square that bears his name is four blocks from where he grew up. Renaming it for a scientist rather than a general or a politician was Philadelphia making a specific argument about who its history belonged to.

3. The Curtis Institute of Music: The Hardest Music School in the World to Get Into

The Curtis Institute of Music opened at 1726 Locust Street in 1924, founded by Mary Louise Curtis Bok with a mission stated clearly in its charter: every admitted student attends tuition-free. That policy has never changed. Curtis operates on endowment income and private donations; no enrolled student pays tuition.

The selectivity is what makes the institution singular. Curtis admits fewer than 40 students in a typical year, across all instruments — roughly 5% of applicants from a pool that already consists of the most gifted young musicians auditioning from conservatories worldwide. It is not a normal conservatory with a highly selective undergraduate program; it is a master class school where every enrollment is an exception.

The alumni list is one of the more extraordinary in any field. Leonard Bernstein studied piano and conducting here under Fritz Reiner and Isabelle Vengerova before becoming the New York Philharmonic's music director. Samuel Barber was a Curtis student when he composed the Adagio for Strings — the work that would make him famous — in 1936. Gian Carlo Menotti entered at seventeen and wrote his first operas while enrolled. More recently: Hilary Hahn, Lang Lang, and composer Jennifer Higdon all trained on these blocks.

Field Concert Hall inside the Curtis building hosts free student recitals during the school year — one of the only performing arts institutions at Curtis's level in America where the public regularly attends student performances at no cost. On a Monday or Wednesday evening between October and April, checking the calendar takes thirty seconds and is almost always worth it.

4. The Rosenbach Museum: Where James Joyce's Ulysses Lives

At 2008–2010 Delancey Place, one block south of the square, brothers Philip and A.S.W. (Abraham Simon Wolf) Rosenbach assembled what became the most important private collection of rare books and manuscripts in the United States during the first half of the 20th century.

Doc Rosenbach — as A.S.W. was known — bought at a scale no individual collector before or since has matched, spending freely at auction to out-compete national libraries and university rare-books departments for items of irreplaceable literary and historical value. His acquisitions included Shakespeare folios, a Gutenberg Bible, and the working manuscripts of dozens of canonical works.

The most significant acquisition was the original handwritten manuscript of James Joyce's Ulysses — 243 pages in Joyce's own hand, representing the full working draft of the novel. Rosenbach acquired it in the early 1920s and it has remained with the museum's collection since. It is considered one of the most important literary manuscripts held by any American cultural institution outside a major university library.

The museum opened to the public in 1954, preserving both the collection and the brothers' residential townhouse largely as it stood when they lived there. The furniture, decorative arts, and books are arranged as the brothers kept them. The permanent collection also includes Marianne Moore's personal library, relocated intact from her Greenwich Village apartment after her death, and Maurice Sendak's original drawings for Where the Wild Things Are — a collection with more emotional range than its square footage suggests.

5. The Architecture Around the Park: Three Centuries on Four Sides

Rittenhouse Square's edges read as a compressed history of Philadelphia real estate, and the mix is more interesting than any uniform streetscape would be.

The most architecturally coherent block is the west side of the square, which retains a row of late-Victorian brownstones and townhouses dating from the 1870s–1890s — the decades when Philadelphia's merchant families were building on the west side of Center City and commissioning architects from firms like Furness & Evans. The Art Alliance (251 S 18th St) — a Venetian Renaissance mansion completed in 1906 for Christine French — now operates as a nonprofit arts organization and is open for gallery exhibitions year-round.

The Rittenhouse Hotel (210 W Rittenhouse Square) occupies a position on the square's western edge that was, until redevelopment in the 1970s and 1980s, one of the neighborhood's most important residential addresses. The current tower replaced a 19th-century mansion; the hotel's rooftop bar provides the best elevated view of the park's canopy from above.

One of the park's most visited sculptures is the Lion Crushing a Serpent — a bronze cast based on Antoine-Louis Barye's 1832 Parisian original, placed along the park's main path during the early 20th century renovations. Barye was the preeminent French animalier sculptor of the 19th century; Philadelphia has more of his cast bronzes in public spaces than almost any other American city, a legacy of the park commissions that came through the Improvement Association.

6. Rittenhouse Row: The Dining Scene Along 18th Street

The blocks around the square hold one of the densest concentrations of serious restaurants in Philadelphia, anchored by the stretch of 18th Street between Walnut and Spruce — a corridor commonly called Rittenhouse Row.

Parc (227 S 18th St) is the neighborhood's social center — a French brasserie occupying the park-facing corner since 2008, with exterior terrace tables that directly overlook the square's fountain and benches. The menu covers brasserie standards: steak frites, moules mariniere, roast chicken, a proper French onion soup. The point of Parc is the setting and the sustained lunch-to-late-night energy, both of which it delivers reliably.

Vernick Food & Drink (2031 Walnut St) is the culinary anchor of the neighborhood. Greg Vernick's American restaurant has held a strong citywide reputation since it opened in 2012 — a menu built around produce and protein treated simply, served in a room designed to feel like a comfortable private dining room. Reservations open 30 days out on Resy and fill quickly; bar seats are available walk-in and serve the full menu.

a.kitchen+bar at the AKA Rittenhouse Square hotel (135 S 18th St) earns consistent attention under chef Amanda Shulman for a menu that rotates seasonally with genuine intention. The bar here is one of the better single-drink options in the neighborhood without a reservation.

The Rittenhouse Farmers Market runs every Saturday from 9 a.m. to 2 p.m. on the park's east side, April through December — one of the older farmers markets in Philadelphia, with a mix of produce vendors, cheese sellers, and prepared food.

7. Getting There, Best Time to Visit, and What Else to Know

How do I get to Rittenhouse Square from other parts of Philadelphia? From 30th Street Station (Amtrak), walk 15 minutes east along Walnut or Chestnut Street — the route crosses the Schuylkill and deposits you at the square's western edge. From Old City or the Independence Hall area, the walk west along Walnut takes about 20 minutes through the heart of Center City. SEPTA's Broad Street Line (Walnut-Locust station) adds a transit option for visitors staying downtown.

What is the best time of year to visit? Late spring and early fall are ideal. April and May bring flowering trees to the park; October turns the canopy gold and the outdoor dining scene is at its most comfortable. The Rittenhouse Square Flower Show in late April — a neighborhood tradition since 1914 — fills the park with vendor stalls and competition plantings. Summer heat and humidity between July and August make the outdoor tables at Parc less pleasant than Philadelphia's promotional photography suggests.

How does this neighborhood fit into a broader Philadelphia day? Rittenhouse Square is the upscale and livable counterpoint to Fishtown's post-industrial energy and Old City's founding-era monuments. They are entirely different cities within one city. A reasonable full-day itinerary: Reading Terminal Market for breakfast (20-minute walk northeast along Market Street), Independence Hall mid-morning, lunch at Parc, the Rosenbach Museum in the afternoon, and a Curtis recital or dinner at Vernick in the evening.