This vast kitty-themed collection illustrates the history of human-cat interaction.

Art museum based around the collections accumulated over 58 years by one eccentric thrift store owner.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

Jule Körner's house full of bizarre architectural details.

A folk art mecca famous among outsider art fans.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

The cruel trial of a 13-year-old boy inspired the creation of this now abandoned reformatory.

The only known Futuro house in North Carolina sits along a stretch of desolate highway on the Outer Banks.  .

A forgotten sea village stands silent after hurricanes deemed it obsolete.

This multi-story wooden waterpark offers homemade thrills.

A mailbox that saved a nature reserve.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

A monument to the sheer amount of oddities one can collect over a lifetime.

A piece of outsider public art accompanied by a strange urban legend.

This real life asylum of horrors is now an abandoned ruin that hides the unbreakable code to one patient's insanity.