A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

The curious underground history of keeping Paris clean.

This Parisian gem is one of the most incredible ethnographic museums in the world.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

An odd museum dedicated to French fakes.

Northern Ireland's Brobdingnagian stepping stones.

A top-secret bunker now turned museum, is an eerie look at what life would have looked like in the event of nuclear war.

Structure built from the skulls of vanquished foes.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

The world's largest boar is a huge steel titan found at a French rest stop.