A musical instrument played by the sea.

This one-time health resort was used by aristocrats around the world.

Gigantic water vessel, permanently grounded in Southern Albania.

Stone pillars and a petrified wedding party in the hills of North Macedonia.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

A solar-powered primary school inspires hope and experimentation in a country ripe for energy innovation.

Space-age monument to an early 20th-century uprising.

These warring psychedelic crags commemorate an unsuccessful military operation.

This brutalist monument is inscribed with 9921 names of Yugoslav partisans who perished during WWII.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

Humble beginnings for one of the world's most famous scientists.

A forgotten monument to Yugoslavian freedom.

Yugoslavia's biggest underground airport lies in ruins.

This huge metal monument is slowly being stripped to its concrete skeleton.

A fifth-century temple improbably built into the side of a cliff.

It seems that the residents of of this megalopolis suddenly vanished, but they were never actually there.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.

What was once supposed to be the symbol of a shining Afghan future is now a bombed-out ruin.

Final palace complex of the last of 29 Kokand rulers.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

China's beehive-shaped pyramids house the remains of a lost kingdom.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

Underwater restaurant at the coral reefs of Eilat.