The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

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

This abandoned prison castle has become an imposing gallery of graffiti art.

Less a museum than a bizarre fantasy world created by artists and engineers.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

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

Step back in time while shopping inside this local store.

This teeny-tiny park built by a San Francisco man in 1962 is mostly stairs.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

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

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

Community bookshelf of 25-foot-tall book spines.

The oldest Roman lighthouse still in use.

Seaside ruins of a settlement that date back to the first century B.C.

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

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

A bizarre house filled with an astounding array of collections.

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

Lured here by the promise of tens of thousands in gold, Jesse James started a quintessentially American trend of robbing trains in-motion.

A trading post in the North Pole where children send letters.

These massive mitts are made of 30 tons of devotional bronze.