Yugoslavia's biggest underground airport lies in ruins.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Rummage through this sunken ship, but leave your scuba gear at home.

Where giant ships go to die.

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

The second largest reclining Buddha in the world got "lost" for over 120 years.

A white Buddhist temple with a golden restroom.

A precariously perched golden rock defies gravity and brings pilgrims from across Myanmar.

The remains of a sunken military ship wreck visible through clear water.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

Hundreds of Buddhas in a re-discovered Indonesian temple.

Public works and national defense project meant to carve a canal all the way across the state of Florida.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

Russian Orthodox church built on an Antarctic island.

This extraordinary geological oddity resembles human-made pavement.

Granite rocks that concentrate waves into powerful jets.

One of the most remote and isolated villages on the Arabian Peninsula.

A very big rock just plopped down in the New England woods.

A table rock formation that has been intriguing West Virginians for years.

"Only the devil could play golf here."

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.