Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

The smallest post office in the United States is no bigger than a broom closet.

A building so large that it has its own weather.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

A 20-foot-tall egg painted in a traditional Czech patterns by the Czech community in Wilson, Kansas.

A Kansas grassroots sculptor decorates the local roadways with his sculptures made from found objects.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A horse statue that receives constant makeovers from graffiti artists and locals.

Dubbed the "smallest church in America," this tiny sanctuary was a local grocer's dream come true.

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

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

The world's longest known cave system.

A museum dedicated to the alleged Roswell Incident.

Tubing through a cave lit with glowworms is a magical underground experience.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.