This monastery built into a cliff hides a perfectly preserved hermit in a glass coffin.

A patchwork of ruins from various civilizations in one of the world's oldest continually inhabited cities.

Iceland's first pagan temple in 1,000 years is underway in Reykjavík.

A creepy, deserted mock Arabian village can be found in the middle of the Qatari desert.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

This shuttered power plant is now Turkey's first industrial archaeology museum.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

A tower-like theater in the Swiss Alps built to withstand the high winds and avalanches of the mountain pass.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

This symbol of Yugoslav liberation decorated with 620 carved heads of mythical creatures is now a forlorn relic of another time.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

An abandoned resort in North Macedonia is a relic from the Communist Party of Yugoslavia.

Stunning ruins of what was once the center of one of the greatest empires in East Africa.

In this pristine Ecuadorian hippie town, residents remain active well into their eighties and nineties.

Nature's water park in the Wadi Bani Awf valley is full of pools flanked with cliffs and natural water slides.

This 3,800-year-old site contains markers used to study the movement of the sun and moon and create a lunar calendar.

In La Paz's huge, city-sized cemetery, the deceased are stored in rows of apartment-like buildings.

Plenty of old carney magic still haunts this photogenic amusement park.

This fortified sand barrier dividing a contested territory is the longest minefield in the world.

A once-luxurious, now abandoned hotel in the Italian Alps.

An institution dedicated to curiosity, logic, riddles, and Mongolia's long history of puzzles.