An outsider art studio that created a piece of work so popular they had to turn mainstream.

The Ozarks' strangest dwelling.

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

Twenty-year effort to raise a castle using tools and techniques from the 13th century is now abandoned in the Arkansas woods.

An extravagant western hotel where every floor is the "ground floor."

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

This century-old roadside attraction is full of bizarre rock formations.

Giant papier mache hog sits on private property.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

A tunnel with windows, so you don't miss out on the impressive views.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

This railroad overpass is said to be home to a murderous goat-man whose very legend has led to very real deaths.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

Abandoned for 60 years, this submerged bridge was completely forgotten until the lake was drained.

This ancient trail has claimed the lives of over 2,000 people.

This restaurant proudly displays bread signed by the 39th president.

The fading, forgotten remains of a once bright and booming factory.

The rusted remains of an ill-fated freighter lie just off the coast of South Manitou Island in Lake Michigan.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

In the middle of a remote desert town is a surprisingly opulent hotel.

Rare recess caves fill this unbelievably beautiful Ohio park.

This Central New York ghost town was once a prosperous railroad community.