With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

A cannon designed to fire an atomic warhead.

A Kansas nature preserve protecting the plants and animals that once stretched across central North America.

Electrical pylon in the shape of Disney's beloved mouse.

A haunted hill that supposedly defied gravity.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

Anyone can control this glittery light installation with just a phone call.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

A magnificent church designed by world-renowned architect, Frank Lloyd Wright.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

This recently restored timepiece has stood all around Kansas City.

Community bookshelf of 25-foot-tall book spines.

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

A cave 150 feet beneath Kansas City is the perfect climate for growing 10,000 delicate orchids.

This mansion was made famous by its colorful cast of owners and location along the Sante Fe Trail.