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

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

Where America's first doomsday cult awaited the end of the world.

Pennsylvanian mass grave and possibly mass murder.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

This historic old movie house was the scene of one of the Blob's most iconic attacks.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

In the early 1800s, surgery was also a show.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

Descendants of this colonial Pennsylvania family still travel from far and wide to visit the 300-year-old home of their Quaker ancestors.

A curious building honoring past and current members of a historic musical comedy troupe.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.