A spectacular cave and a beguiling lake.

Hindu temple of the dead home to hundreds of long-tailed macaques.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

Sacred waters rescued from the wrath of a volcano.

This giant wire frame man sculpture is crouched in contemplation.

The tallest waterfall in the Netherlands is a lovely, stepped feature that is only 50 feet tall.

This nugget of paradise earned its name for obvious reasons.

Thousands of bats stream out of caves every night on the edge on Thailand's second largest park.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

Bohemian paradise covered in majestic forests.

Visitors dip into a variety of pools of what was once ice.

A chapel on a volcanic core, marking the end of a successful journey.

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

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

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

A sweet symbol marks the place where torturous executions were once carried out.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

Astonishing rock formations dot the Brimham Moor landscape.

Follow the original medieval paths that wind through this intriguing section of the city.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

A beautiful maze marks where three countries meet.