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

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

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.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Yo, Adrian!

An Irish Memorial commemorating those who perished due to potato blight.