The 320-year-old tree that greeted General Lafayette and rerouted an interstate highway.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

One of the oldest active carousels in the country—but it might be missed by all but the keenest-eyed boardwalk strollers.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

The land is home to swimming ponies and a legendary 18th-century treasure.

A hidden alley in urban Baltimore is a haven for graffiti artists.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

A museum dedicated to exhibiting remarkable outsider art.

This free, take-a-book shop seems like a trick but isn't.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

Eighteen miniature death-scene dioramas.

A beautiful hidden gem in central West Virginia.

This lookout tower built in the 1930s is now an in-demand cabin with what might be the best view of the Seneca State Forest.

A melancholy guardian doubles as a judicious godmother to this small town cemetery.

This university transit system is a 1970's vision of the future.

This general store is more than a century old and home to various oddities and antiques.

Time travel with sweets across history at this research-based candy store.

America's post-nuclear-attack chambers of Congress.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

This abandoned amusement park was built on a site with a dark history.

A suspended garden, now gone, once hung in the middle of this abandoned church.