A whimsical village of unique treehouses resides in a Washington forest.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

This charmingly homemade amusement park has been growing for 40 years.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

Historic funicular railway, believed to be the shortest railroad in the world.

A technicolor place of worship for Elevationists.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

"Looks so real, it's scary!"

The trials and tribulations of marking Poe's grave.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

Carved by a waterfall in a hard-to-reach rock formation, this heart-shaped rock has inspired romantics for decades.

The curiosities and wonders of pharmacy in a delightful historic building.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

This lab's maddening silence is good for business but bad for sanity.

A DIY art gallery/music venue/lecture hall dedicated to video game culture.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A hotel and restaurant serving as the mecca of kitsch.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

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

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.