The remains of a hospital ravaged by fire, once a progressive place of innovations for disabled children.

The colonial home of Paul Revere during the American Revolution.

Those belting out show tunes in this West Village piano bar might not realize it marks the site where Thomas Paine died in 1809.

A larger-than-life statue of the German revolutionist stands proud in a small town where he never lived.

This award-winning men's bathroom was just too beautiful to not allow women to see.

This 28-foot-tall milk can contains one of the most whimsical ice cream parlors in town.

This buzzy, award-winning building hovers 85 feet above the ground on a dozen colorful stilts.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

A nuclear bunker built to shelter the politicians and important people of Scotland in case of nuclear attack.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A wooden rollercoaster that still delivers a thrill.

The video game-themed street art first popped up in the French city.

Cabins once lived in by Butch Cassidy and the Sundance Kid are featured at this Old West living history museum.

This hill is all that remains of Cambridge’s former castle.

This sprawling, Brutalist estate feels like a city within a city.

One of Oahu’s best snorkeling and diving spots was created by warm water discharged from the nearby power plant.

It looks like a whale, it's part of Yale, and it's best-known by a nickname you can probably work out for yourself.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The headquarters of the famous Yale society.

The world's largest public collection of PEZ memorabilia.

Home of Philip Johnson, one of the 20th century's most influential architects.

Countless grotesque faces stare out from this eerie Prague art wall.