This symbol of the French Revolution still stands where it was first planted during the 18th-century.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

No monkeying around, this fountain was really named after the classic sci-fi film.

The only airport with a people mover system designed by Walt Disney Imagineering.

This small park features a monumental fountain wall, providing a great photo opportunity in the middle of Houston.

Once seen as a bit of an eyesore, this sculpture has become a staple of downtown Houston.

The Grand Canyon of Texas.

World's smallest skyscraper, the product of a remarkable con.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This little museum is packed with information about the region's past and present biodiversity.

Along the Rhine, about a mile from the historic Munster, learn the heartrending story of two lovers torn asunder, cast into unknown layers of time and space.

Where Mary Shelley’s "Frankenstein" and John William Polidori's "The Vampyre" were born.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

This simple apartment may have inspired some of the most important theories in the history of science.

This massive boulder was hurled into a Zurich church when a gunpowder depot was struck by lightning in 1652.

The second-highest train station in Europe.

This colossal couch is an unlikely monument to Europe's first female Doctor of Law.

Museum dedicated to wax representations of disfiguring diseases.

A historic observatory precariously perched at the "Top of Europe."

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

Caves famous for the dragon-slaying saint who lived there.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.