Avenue of the Arts. Set in the city's cultural center, this 2,046-square-foot apartment in the Ritz-­Carlton has a full view of Philadelphia's Second Empire–style City Hall. The two-bedroom home features reflective foil ceilings, a custom kitchen with lacquer cabinets, a private balcony, and a master bedroom with two walk-in closets.

Building amenities include a pool, fitness center, concierge, and Bentley and Escalade car service. $1,750,000. Andy Oei, BHHS/Fox & Roach, (215) 790-5230.

Chestnut Hill. Beaufort stands on a 1-acre property overlooking Wissahickon Valley Park. Designed in 1910 by Tilden and Register architects and renovated in 2013, the six-bedroom mansion includes a grand entry hall, French doors, a paneled library, and a master suite with fireplace and terrace.

Outside are tiered lawns, a bluestone patio with a pool, and a carriage house with a three-room apartment. $2,795,000. Kim Whetzel, Kurfiss Sotheby's International Realty, (215) 298-9415.

Society Hill. Built in 1836, this renovated five-story Georgian townhouse is close to Independence Hall and the Liberty Bell, top restaurants, and the Headhouse Farmers Market.

The three-bedroom home features a chef's kitchen, two fireplaces, exposed beams, wine storage, wide-plank yellow-pine floors, and original trim. The private patio has lighting and brick pavers. $1,250,000. Cavalcanto Team, Coldwell Banker Preferred, (267) 238-1063.

Rittenhouse Square. The Lanesborough, a Beaux-Arts revival, was built by architect Grant Miles Simon in 1929 as a private men's club. The three-bedroom penthouse includes direct elevator access; windows on all sides, some floor-to-ceiling; custom spiral staircases; and a master suite with sitting area, spa bathroom, and walk-in closet.

The concierge building, located a block off the square, has a gym and allows pets. $4,299,999. Mike Fabrizio, RE/MAX Access, (609) 221-7123.

Washington Square. This five-bedroom Federal townhouse was constructed in 1809 as one of three spec homes on the square.

The 6,000-square-foot residence has a 60-foot entry hall; Georgian marble and wide-plank floors; crown molding; marble fireplaces; a three-story solarium; an elevator; a kitchen with brick-patio access; and a lower level with a stone library, sitting room, full bar, and additional kitchen with fireplace. $3,495,000. Mary Genovese Colvin, Compass, (215) 806-1500.

East Passyunk. Built in 1920, this two-story, two-bedroom brick townhouse was renovated this year, inside and out. The interior features white-oak floors, a kitchen with Shaker cabinets and stainless steel appliances, a bathroom with a soaking tub, and a finished basement with polished concrete floors and a wet bar.

The home is a short walk from area restaurants and Columbus Square Park. $339,000. Michael Scipione, Coldwell Banker Preferred, (215) 768-7533.