The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

A wunderkammer hidden on the top floor of the Hartford statehouse.

Imagine playing a version of Legends of the Hidden Temple, but with a distinctly Southern Gothic flare.

Delightful disarray of found objects and clutter.

Hundreds of trees made from glass bottles make up this forest on Route 66.

The legendary birthplace of the Japanese maneki-neko is dotted with hundreds of lucky beckoning cats.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Repository for more than 22 million pickled specimens.

Shop of curiosities with a dinosaur museum tucked in its basement.

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

Unlock the secrets of the conjuring arts.

The first museum in the world devoted to sexual gadgetry.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

A small flooded ghost town with a few scattered structures remaining.

A museum dedicated to exhibiting remarkable outsider art.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

A house carved into a rock in the 1940s.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

The beauty of urban decay, hiding some dark secrets.