Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

These temples are among the oldest free-standing stone buildings in the world.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

This group of small islands on Lake Nicaragua formed after an eruption of the Mombacho volcano.

A crumbling cathedral condemned by an earthquake.

Looking for a unifying history, Uzbekistan finds its answer in a 14th Century Turco-Mongol conqueror... despite the fact he wasn't Uzbek.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

The platform atop this verdant volcano was built with the help of a royal elephant.

Come for the flowers, stay for the bats!

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

People from around the world visit the shrine of Japan’s legendarily loyal dog.

Not quite the menace it once was, this monster still has some chops.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A deadly ancient portal to the underworld.

Roman ruins top white travertine terraces formed by ancient hot springs.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

An underground network of massive stone arches and their skylit vaults support ruins of portico structures above.

The final resting place of the "father of special effects."

How did a French journalist’s grave become the sexiest statue in the cemetery?

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

France's most famous cemetery, with some of its most curious tombs.

The celebrated eyesore created by starry-eyed sweethearts.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.