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

Site of a classic 19th-century physics experiment to prove the earth is rotating.

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

Go surfing on this urban wave, "hacked" by local surfers.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

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.

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

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

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

The celebrated eyesore created by starry-eyed sweethearts.

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

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

World's largest Christmas store.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

A church of bones, decorated with 40,000 human skeletons.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Macabre astrological automaton clock dating to the late 1400s.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

"We Seceded Where Others Failed."

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

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