This stone complex marks the urban center of a lost civilization.

It's just another skyscraper, but it's shaped like '90s cell phone.

Pivotal home of Nobel Prize winner Pablo Neruda.

The rusty hull of this 1899 ship serves as a tribute to explorers of the bottom of the world.

In the most arid desert on the planet, the world's leading telescope allows astronomers to see more than has ever been seen before.

What was once a unique system of urban elevators is turning into a mechanical ruin.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

This 16-foot, 6-ton statue in the singer's hometown doesn't actually look like her.

Cathedral carved out of salt, located a mile below the earth's surface.

Lebanese castle built by one man, over a lifetime.

Mummies preserved naturally for seven centuries.

After this one-of-a-kind palace was built the architect's hands are said to have been cut off to keep it that way.

A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

The largest hewn stone in history.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The innovative Nigerian floating school that may just be a glimpse into the future of design in a world of troubling climate changes.

Massive volcano in the Andes is the farthest point from earth's center.

A turquoise lake within a volcanic crater.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

A labor of love and aviation in Nigeria.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

Boise State's stadium was the first non-green football field in the world.