The drama of nature in full effect in this Nevada State Park.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

When ecosystems collide in the arid Southwest.

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

The highest bridge in America was built for an almost unnervingly small amount of money.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

This super steep hike ascends 2,000 feet in less than a mile.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

Where commuters walk through remnants of an ancient Greek necropolis.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Giant marble phalluses on the sacred island of antiquity.

This legendary city has been a tourist attraction for centuries.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

The hallucinogenic center of the ancient world.

An incredible menagerie of more than 3 million taxidermied animals at the oldest science museum in Europe.