Dramatic river bend surrounds a natural red-rocked pedestal.

Limestone caves with spectacular showcase chambers.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

Stairs often replace streets on the steep slopes of this old mining town.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

This giant steer-skull edifice refuses to die.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

America's only nuclear missile silo open to the public.

This hidden gem in Arizona is truly worth the rugged journey.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

See massive fossils that are over 200 million years old in northeastern Arizona.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

This Old West prison built into the side of a cliff was said to be inescapable.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

The first declared National Monument in the United States.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

Live long and prosper in Vulcan, Alberta.

A majestic hotel that also stands as a historic relic.

A sleepy little town that had the greatest landslide in North American history fall on it.

Nestled near the mountains of western Canada resides this behemoth earth mover.

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

What was to be the world's most secure Cold War document vault ended up as just a few shallow caves.

The granite head appears to be deep in thought and half buried in the ground.