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

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The "Seinfeld" diner.

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

A bigger-than-life pun that has become a beacon of altruism.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A hollow cement depiction of time's inexorable effect on the human body.

The largest permanent Monopoly board makes one of the longest games even bigger.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

A museum dedicated to exhibiting remarkable outsider art.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

The site of murders and Satanic cult gatherings.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

These eerie outliers of the lightning bug family glow a mysterious blue color.

A wall of chewing gum moonlights as collective art.