Gouged in the mountain to make stage coach access easier through the Fremont Pass.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A monument to the art of slicing people open.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

An unknown number of cholera victims are buried in two nondescript graves.

To find the "unicorns of the deep" you've got to go downstairs.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This historic hotel invented the chocolate brownie.

This library and museum is dedicated to the life and literature of the Indianapolis native author.

A medical facility that has been kept frozen in time.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

A castle built by an eccentric medieval enthusiast in rural Ohio.

A miniature world of concrete and stone in Springfield, Ohio.

This pair of eccentric Ohio castles were built by a pair of brothers who wanted to bring a bit of class to the Ohio wilderness.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

A suspended garden, now gone, once hung in the middle of this abandoned church.

An art deco ice cream shop covered in vintage train station tiles.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

Prehistoric animals decorate this popular outdoor park.

What is it about mushrooms that makes people wish they lived inside of them?

A real flying saucer, contracted by the U.S. Air Force.