This cavernous swimming spot doubles as a home to the largest known colony of bats in Central Asia.

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

The world is full of swimming holes, but few compare to Samoa’s idyllic To Sua ocean trench.

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

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

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

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

This magical-looking island is notorious for the misfortunes suffered by its owners.

This magnificent arch is all that remains of a former smelt mill.

This vibrant side road in Doha was painted light blue to reduce heat.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

A road runs through the middle of this small Austrian chapel.

Get a taste of Chamorro cuisine, family-style, at this popular restaurant.

A 2017 crowdfunding campaign saved this historic castle from being destroyed.

Established over a thousand years ago, this family-run teahouse continues to serve skewers of sweet rice cake to this day.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Apartment complexes built into huge repurposed natural gas tanks.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

The former home of queer novelist Yoshiya Nobuko memorializes her contributions to modern-day manga.

Belgium’s famous peeing statue has worn many hats (and coats, and pants), which are on display at this small museum.

This beach runway is off limits during high tide.

The Hveragerði fissure runs through this unassuming shopping center.

A train car sitting on a rooftop makes an unlikely and picturesque setting for dinner.

Banished from town, this local jester concocted a clever return.