This ancient Irish tower could easily have stood in for Rapunzel's prison.

This supermarket offers shoppers a window into the past alongside their groceries.

The world’s oldest active sailing ship.

A testament to Colorado’s rugged mining history sits against a backdrop of striking mountain scenery.

This hot dog-shaped diner has moved all around Colorado, but has never been to New York.

Drift through decades of high desert music history at this funky hometown museum.

A seven-story 1920s mausoleum outside Denver houses thousands of remains.

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

A pair of gargoyles peer into unsuspecting passengers at Denver’s conspiracy-packed airport.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

Tucked into Pittsburgh’s North Side, the Mattress Factory is a labyrinth of permanent, room-sized installations where artists transform entire spaces into mind-bending, immersive worlds.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

A Fibonnaci spiral model of our solar system.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

Fourteen sculptures showing the development of a fetus stand outside a hospital for women and children.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

These grassy undulations on a stretch of University of Michigan campus aren't bad landscaping, they're art.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This 25-foot tall clock tower commemorates the start of one of America's foremost shopping districts and the end of the historic Palm Beach Pier.

The unusual burial monument of Arizona's first governor.

Millions of years of erosion created the feature for which this rock formation is aptly named.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.