Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

This ancient castle has been abandoned since the Edwardian conquest of Wales.

The medieval legend behind this holy well was one of the inspirations behind "Alice's Adventures in Wonderland."

An enormous, inside-out glass globe built in 1935.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

Eight feet in diameter and more than 24 feet around.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

An eclectic assortment of medieval architecture in a small Iowa town.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

This zombie-themed restaurant stands out in the heart of corn country.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Journey up the capitol building's cupola for an amazing view of Topeka.

This tiny old water tower once doubled as a makeshift jail.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

This Wild West attraction is probably more fiction than history, but that doesn't mean it's not awesome.