A gem in the small Missouri town where Winston Churchill coined the term "Iron Curtain" and effectively began the Cold War.

One of the Cemestos prefab homes built to secretly house thousands of Manhattan Project workers.

The only road through the heart of Glacier National Park.

An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

The wreckage of a crash that killed nine people still litters the Franklin Mountains.

The first memorial dedicated solely to the Black troops who fought for the Union.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

An artsy hidden staircase leads to breathtaking views of San Francisco.

Dive bar built out of the remains of a whaling ship.

With statues of Nelson Mandela and Harvey Milk this monument has been called the Mount Rushmore of California.

These unusual rooms on wheels are holdovers from the 1960s.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

The most playful of the life-sized statues that make up Singapore's "People of the River."

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

A modern temple with an ancient philosophy.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

The spot where the two men ate together now stands enclosed in glass.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.