Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

The oldest continuously occupied public building in the United States.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

When ecosystems collide in the arid Southwest.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

An annual festival celebrating Colorado's most famous frozen corpse.

Inspired by a music box, a small town Vietnam vet carved an entire carousel full of animals by hand.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This historic hotel invented the chocolate brownie.

The subtle science of a master molecular gastronomist.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

A hot dog stand where the heads are just as hot as the dogs.

A monument to the art of slicing people open.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Curious cave that stays a cool 56 degrees all year long.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

One of America's first planned communities is preserved in a state park.

This art deco masterpiece was once a miracle spring mecca but is now simply a government office building.

This quirky hot springs town known to locals as "T or C" was named after a radio show.