Washington's iconic carousel has a nice piece of Civil Rights history.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

The rogue roots are gradually consuming some of the historic marble grave markers.

One street divides a single town that stands in two U.S. states.

The highest point in Virginia can only be reached by passing through ponies and flowers.

Over a dozen Native American earth mounds dating back over 2,000 years dot this Tennessee archaeological park.

This replica of the Greek structure is in the heart of Nashville.

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

A public urinal so pretty, it was declared a national monument.

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

A beautiful maze marks where three countries meet.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

A floating cat sanctuary on an Amsterdam canal.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

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.

Two small markers remember the Alamo's feline protectors.

Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.

The beauty and the beast of hydraulic mining is on full display at this California Historic State Park.