The birthplace of both the Atomic Age and Godzilla, and the namesake of the bathing suit.

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

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

At Bern's Steak House, there's always room for dessert—it's just upstairs.

A crumbling hospital from the 1850s on Roosevelt Island.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

This abandoned prison castle has become an imposing gallery of graffiti art.

A Beaux-Arts triumph set to become Ford's innovation campus

A historic jail preserves etchings from over a century of incarcerated people in a town with a rough and tumble past.

The only fully-realized skyscraper built by the famed American architect, Frank Lloyd Wright.

One of the few places where you can visit a cenote and Maya ruins at the same time.

A natural tidal swimming pool is ringed by bizarrely artistic lava rock formations.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

These azure waters were thought to lead to the Mayan Underworld.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

A long-forgotten Victorian swimming hole is still a fun spot for a dip.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

The gathering point of an old Melbourne swimming club was site of a historic, world-record dive in 1918.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Locals use these rock pools and waterfalls for swimming and cliff diving.

This gold mine–turned–swimming hole is the perfect summer picnic spot, immersed in nature and history.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.