The world's smallest drawbridge.

A tropical paradise once home to space exploration and military installations.

Where a rare geological phenomenon created a section of rock that resembles a checkerboard.

Where Saint-Martin ends and Sint Maarten begins (or vice versa).

A fort of historic failures where the island's colonial powers first collided.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

A roundabout in the West Indies that pays tribute to a bus driver who brokered no-nonsense on the school route.

An unexpected must-see for fans of Star Wars who find themselves on the beautiful island of Sint Maarten.

A visionary precursor to the Internet made of index cards.

A 141-foot wave of crashing lumber guards the entrance to the Grand Place in Mons.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

This former coal mine, now a fascinating museum, was the site of Belgium's worst mining disaster.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

This is what trains will look like after the zombie apocalypse.

The patron saint of cats founded this stunning Romanesque church in the 7th century.

A 17th-century heptagonal pavilion that was used for stargazing.

The world's tallest boat lift stands as a massive piece of industrial tourism.

Petting this mysterious iron monkey supposedly brings good luck.

The celebrated eyesore created by starry-eyed sweethearts.

This 400-year-old tree is actually an immigrant from North America.

The narrowest street in Paris.

This modest marker near Notre Dame identifies the very center of Paris.

This demon atop the Notre-Dame de Paris looks utterly bored.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.