This tiny cottage surrounded by railroads is the oldest surviving structure in Fairmount Park.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

The tombstone of the founder of the lost town of Ogletown is now stuck inside a traffic median.

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

A museum dedicated to exhibiting remarkable outsider art.

This 15-foot tall obelisk commemorating the Philadelphia-Baltimore railroad connection sat neglected for over a century.

This historic lighthouse was well known for the large number of women who served as its keeper.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.