A perfect turquoise lake colored with glacier dust.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Tubing through a cave lit with glowworms is a magical underground experience.

A non-profit that uses the impressive smelling abilities of African Pouched Rats to find and clear unexploded land mines.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

A small 12th-century temple surrounded by waters believed to have curative properties.

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

A battle between nature and architecture in the Cambodian jungle.

One of Jeff Koons’s largest sculptures and his first commemorative work.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

An unusual number plate signifies the building's saucy past.

This bridge was constructed from the rubble of the infamous Bastille.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Notorious artist squat renovated into legal studios.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

This aging storage facility is the world's largest brick warehouse.

This stone once marked the boundaries of Liverpool's medieval markets.

Most of Britain's gold reserve was secretly stashed here after the start of World War II.

These rose marble urinals are the most luxurious loos in Liverpool.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.