Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Where commuters walk through remnants of an ancient Greek necropolis.

Hundreds of wooden coffins dangle from cliffs and caves in the Philippines.

Bohol's mysterious brown hills.

A monument to the defenders of the Arctic in Murmansk, Russia.

Cozy basement bar sports an inventory of over 2,000 beers.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

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

Romania's triumphal arch looks out over Bucharest.

Oriental bazaar in the heart of Sarajevo.

What happens when you cross a mayor and a painter?

Human ancestor’s 3.6 million year-old footprints.

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

Church built on the site where the last tsar of Russia and his family were killed.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The remains of the great moral philosopher reside in a university in London.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

Budapest's Communist-era statues, banished to the suburbs.

3,000 market stands in five former Zeppelin hangars.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.