A floating cat sanctuary on an Amsterdam canal.

Two nations form a rare four-sided border at the peak of a mountain, philosophical questions result.

The fairy tale castle of the "fairy-tale king."

The prototype for all Nazi concentration camps.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

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

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

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

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Indents in the pavement are all that remain from a grisly death machine in Paris.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

An all-American grocery store in Paris sells U.S. "cuisine" like Pop-Tarts and Heinz ketchup to homesick ex-pats.

The celebrated eyesore created by starry-eyed sweethearts.

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

This famous archeological mystery may be an ancient example of movable type.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

Beautiful hillside Vermont cemetery with amazing funerary art.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

The highest peak in the state of Vermont has some interesting features.

This New England covered bridge is home to the tale of a jilted lover known to haunt the area.

A historic custom house with ties to George Washington is now a shrine to local nautical history.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."