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.

Paris' linguistic guide to the international language of, yes, love.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

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

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

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

A hidden three-foot-wide house separates these two regal churches.

Elaborate tile work in this railway station tells the story of Portugal.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The world’s largest Masonic temple was saved by the White Stripes.

Every winter, water dripping from a pole creates an ever-changing ice sculpture.

The city is full of whimsical portals to another world.

Astounding collection of coin-operated games and automata.

The only surviving prototype for Buckminster Fuller's house of the future.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

A gas station has taken the place of the home of the 19th American President.

This historic train station has been converted to a locomotive themed hotel.

A bizarre roadside attraction and the first instance of miniature golf in the world.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.