An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The most decorated dog of World War I is preserved in the Smithsonian.

This bridge was constructed from the rubble of the infamous Bastille.

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

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.

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

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This ancient theater was once the home of fierce gladiatorial battles.

The watery grave of an impractical idea.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

This ambitious attraction was the brain child of a lake resort impresario, and built by the WPA.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A heavenly experience, right here on Terra Firma.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

A beautiful 62-acre Catholic shrine and botanical garden.

100-year-old shipwreck you can walk up to at low tide.

A massive sea stack famous for its appearance in The Goonies.

An eccentric park and pool.

The palatial McDonald's that inspired Wesley Willis.

A hot dog stand where the heads are just as hot as the dogs.

All of Chicago's wood-paved streets are long gone but two alleys remain.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.