Venice's "Island of the Mad."

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

Iceland's largest lagoon is home to stunning multi-colored icebergs.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

The final resting place for the remains of 143 Habsburg royalty.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

Once housing children next to hardened criminals this historic jail once displayed Ned Kelly's skull until it was stolen.

The bullet-banged DIY suit of armour belonging to Australia’s most famous outlaw.

The modern birthplace of Irish freedom.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

One of Ireland's most infamous prisons for rebels including men, women and children.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Hoax, mistake, or evidence of dinosaurs in human times?

A battle between nature and architecture in the Cambodian jungle.

Hindu temple of the dead home to hundreds of long-tailed macaques.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The ancient tomb acts as a calendar that keeps perfect time.

A retired military stronghold on the rolling green coast of Donegal.

Historic funicular railway, believed to be the shortest railroad in the world.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

An ancient necropolis of magnificent tombs.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.