HMS St Lawrence
1814 first-rate ship of the line that served on Lake Ontario.
Each edition grades its towns against each other only.

All of it lies outside: 3 places within 40 miles, none inside Philadelphia. Among them are 2 museums and an ancient site. For a full day, there is Enchanted Forest Water Safari, 49 mi away.

1814 first-rate ship of the line that served on Lake Ontario.
The towns around it, and where to stay →
Head to the west for most of the 3 on the list.
Orange: Philadelphia. Numbers: the best-known places, matching the list below. © OpenStreetMap contributors
All of it lies within 60 miles: 4 places.
Ranked by how many people look them up, so the famous places lead and the local favorites follow.
HMS St Lawrence: C.H.J. Snider (see [1], 1879–1971[2]), Public domain · Enchanted Forest Water Safari: Arsenalforthewin, CC BY-SA 4.0