Norman Foster's architecture gives the building its clear lines and expansive glazing. At reception, an illuminated onyx wall and floral installations by Jeff Leatham bring color and texture to the arrival. The dining spaces above the city have their own architectural drama, including a staircase bordered by water walls. Much of the pleasure comes from watching familiar landmarks fall into a different order below, with streets, rooftops and the rivers visible across the wider city.

The hotel has 227 accommodations, comprising 184 guest rooms and 43 suites. Most rooms occupy floors 48 through 56, while the Sky Garden collection sits on the 45th floor. Premier Cityscape Rooms measure 352 to 407 square feet and have a king bed. Grand Landmark Rooms provide 424 to 498 square feet, with a king or two double beds; the double-bedded layout accommodates two adults and two children. Floor-to-ceiling windows and a restrained palette keep attention on the outlook, while bedside charging and drapery controls handle the practical details discreetly.

A Landmark Corner Suite brings the view into both its bedroom and bathroom. The 665-square-foot layout has a living room with a sofa and desk, plus a window-side tub and separate shower. On floors 49 through 55, its corner outlook takes in the Benjamin Franklin Parkway and the museum district. The suite accommodates three adults or two adults and two children, using a king bed with a sofa bed or rollaway as arranged. Its living room gives families a separate place to gather without using the bedroom for every part of the day.

Sky Garden has a distinct residential character, with interiors by 1508 London and an art collection curated by Hanabi: Art and Artists. Four guest rooms, two one-bedroom suites, a two-bedroom suite and a two-bedroom penthouse make up the collection. Natural materials and artwork influenced by Philadelphia's design heritage accompany views toward a wildflower green roof. Terraces belong to selected accommodations, adding an outdoor dimension to a hotel otherwise experienced largely through glass. The setting is particularly relevant for longer visits when space outside the bedroom matters.

The two-bedroom Sky Terrace Suite measures 1,497 square feet and has two king beds, a full kitchen, a washer and dryer, and indoor dining for six. Its private terrace has seating and a dining table for ten. Two full bathrooms serve the bedrooms, one with a tub and separate shower and the other with a shower. The maximum overnight occupancy is four guests; the larger dining spaces allow for visitors without implying additional sleeping capacity. For an extended stay, the kitchen and laundry provide genuine household facilities alongside hotel service.

Jean-Georges Philadelphia is the restaurant to book for a special dinner. The 59th-floor dining room pairs panoramic views with a tasting-menu approach, combining Jean-Georges Vongerichten's signature dishes with preparations developed for Philadelphia. Egg toast with caviar is one of the restaurant's recognizable dishes, and the wine list supports a meal that unfolds over several courses. The waterfall-lined staircase gives the approach to dinner a sense of occasion before you sit down. Reservations deserve attention when a meal here is central to a short visit.

SkyHigh, on the 60th floor, is more flexible. The lounge serves Jean-Georges cuisine through breakfast, lunch, afternoon bites and dinner, with brunch also part of its program. Crispy salmon sushi and a ginger margarita illustrate the lighter, more informal direction. There is room for a drink and shared plates as well as a full meal, with live music contributing to the atmosphere. The enclosed setting gives the skyline a presence in any weather, and the changing light makes breakfast and evening drinks quite different experiences.

Vernick Fish brings the hotel's dining closer to Philadelphia's neighborhood restaurant culture. Greg Vernick's modern American oyster bar occupies the ground floor, in a loft-like room by Adam Tihany. A chef's counter, bar and lounge accompany the dining room. East and West Coast oysters, crudos and seasonal fish lead the menu, with vegetable preparations alongside the seafood. A children's menu makes it an option for family dinners too. The focus is on the ingredients and the cooking, with enough variety to build a meal around raw dishes or cooked fish.

Vernick Coffee Bar sits in the Comcast Technology Center's upper lobby, reached through the entrance at 18th and Arch Streets. A canopy of trees frames a café for made-to-order coffee, house-made pastries and seated lunches. Yogurt parfaits, viennoiseries and carrot cake pie give the bakery counter its own identity. Takeaway service is useful before heading into the city. Back in your room, dining is available around the clock, with dishes associated with both Jean-Georges and Greg Vernick.

The indoor infinity-edge pool places the skyline directly beyond the water. Lounge chairs face the windows, and a poolside menu includes bento-box meals and sides. Family swimming is limited to designated hours. The altitude is the distinctive element here: even a short swim gives a different view of Philadelphia from the streets and museum galleries below.

Seven treatment rooms, including one for couples, form the main spa. Facials use products including 111SKIN, QMS and ISUN, while the menu also includes massages, scrubs and body masks. Steam, sauna and relaxation facilities share the wellness level with a hair salon and nail lounge; Rossano Ferretti hair care is part of the salon program. The fitness center has cardio and weight-training equipment, Peloton bikes and a floor-to-ceiling media wall. Personal training, yoga and Pilates can be arranged, and gym access is available around the clock.

For children, the hotel can arrange pastry decorating with cookies, cupcakes or small cakes. Babysitting, cribs and practical baby equipment are also available. The concierge can coordinate family itineraries and transport, including visits to the Franklin Institute or the historic sites of Old City. Rittenhouse Square, the Barnes Foundation and the Philadelphia Museum of Art give adults plenty of scope for walks or short taxi journeys from the hotel at One North 19th Street.

Philadelphia International Airport is 10.3 miles away, with a hotel-estimated driving time of about 20 minutes, depending on traffic. Arranged arrival services also cover Amtrak passengers at 30th Street Station, with luggage assistance and car transport to the hotel.