The Pool at Wyndham Philadelphia Historic District
Wyndham Philadelphia Historic District's pool is mentioned by professionals. Out of 5 publications that we tracked, 3 recommended the pool, such as DK Eyewitness, Gayot and Oyster.
Wyndham Philadelphia Historic District 
DK Eyewitness
Gayot
Oyster
DK Eyewitness "Children love the rooftop pool during the warmer months"
Gayot "The rooftop sundeck and pool are popular during the summer months, and the fitness center is open year-round"
Oyster "There's also a decent gym and a rooftop pool, though the later is modest and only open seasonally"
