A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

Hundreds of hidden passageways weave through the old quarters of Lyon.

A unique underground structure dating back to the 1st century BC.

This ancient theater was once the home of fierce gladiatorial battles.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

The 3.8 billion-year-old rock proves that tectonic plates may have been shifting longer than we thought.

A climbing route in the mountains of Italy’s Dolomites, built for soldiers during World War I.

This small island has a dark past as a colony for Chinese lepers and a dropoff point for bootleggers.

Orcas on display and in the water.

A giant Troll lurks under one of Seattle's oldest bridges.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

An ominous concrete cube cuts a dystopian silhouette atop this California mountain.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

This abandoned boat was left in place thanks to its rotting beauty.

The largest Star Wars collection in the world is its own galaxy of collectibles.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

The private clubhouse for the members of the Academy of Magical Arts.

This California eatery has made a name for itself by embracing Asia's rich history of eating bugs.

"The only replacement for a DC-3 is another DC-3."

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

In one Santa Monica parking lot a mushroom cloud made of chains heralds a message of peace.