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

The world's largest squirrel statue clutches a pecan bigger than your head.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

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

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

Home to items never before seen by the public.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

These pretty kitties killed and ate as many as 135 railway workers.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

A monument to the art of slicing people open.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

A 16th-century Andalusian palace.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

The final resting place of the great navigator, or maybe his brother.

Mountain where Jesus was first tempted by the Devil.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

A geological mystery on Camelback Mountain.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

What is the Thing?

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

For 150 years one family has been producing the iconic hot sauce on a bayou island made of salt.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.