This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

"There's nothing there," and other lies the KGB told us.

Myanmar's Mount Olympus atop a 2,500-foot volcanic plug.

A Spanish town built into the cliffs.

Village situated on a narrow volcanic escarpment.

A natural arch offers panoramic views of Yangshuo's karst hills.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

The tallest sea cliffs on the Southern Hemisphere are a climber's worst nightmare.

Watch the newest land on the planet form before your eyes.

A remarkable geological formation resembling a forest made of stone.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

This beautifully deceptive waterfall is something far different from what it appears to be.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

A fantastical group of cliffside stairways, bridges, and twisting paths carved out of stone provide a surreal coastal hike.

Mount Nyiragongo has erupted at least 34 times since 1882 and is home to the world's largest lava lake.

This working replica of the 'Friends' coffee shop is more accurate to the show than the set itself.

This floating cinema brings new meaning to the phrase "going out" to the movies.

A submerged village appears when dam levels drop.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

The hallucinogenic center of the ancient world.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

Machismo turned on its head: the lady's hand goes to the dude with the bigger brain.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

The palace of the King of Kings, burned by Alexander the Great.