No matter what the plaque under this massive legume says, this is not the world's largest peanut.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Hot springs monkey spa in the middle of Hell's Valley.

Where America's first doomsday cult awaited the end of the world.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Enormous lake at the bottom of a unique cave system.

America's most famous piece of self-built architecture.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

A layered tribute to the work of mosaicist Isaiah Zagar.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

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

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The deepest spring in Missouri.

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

Though they've since been renamed, these two streets hint at Dublin's darker days.