A historic covered bridge is but one example of an oddly prevalent American urban legend.

This recreation of a 19th-century dime museum is full of oddities.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

This Old Testament garden features 100 plants from biblical times.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

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

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

A park full of outsider art, created by college students studying outsider art.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

This little museum in the town where zombies were born celebrates the living dead.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

A rare view of a preserved Victorian science museum.

A toxic ghost town sitting atop a massive coal fire.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

A medical facility that has been kept frozen in time.