The world's biggest version of the popular Swedish souvenir.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

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

What happens when you cross a mayor and a painter?

No one knows who's responsible for decorating this tunnel with stuffed animals, but the people love it enough to protest their removal.

A centuries-old copper mine that once provided two thirds of the world's copper supply.

Sweden's oldest street has not changed for nearly a millennium.

Frequent fliers welcome in this airplane hotel.

18th century opera in its original splendor.

An entire shopping mall and industrial terrain named for the time the king of Sweden's car went into a ditch.

This ancient hydrological marvel is now the base of a modern outdoor cinema.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

Gladiators once walked this ancient, subterranean passage.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

This small museum once served as a royal hunting pavilion for King Otto Friedrich Ludwig.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

The ruins of this ancient fortification wall sit in the middle of a quiet, residential intersection.

Tear apart fatty, gently charred lamb chops with your bare hands.

Savor sheep milk yogurt at the last of Athens' dairy bars.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Lava stone structures possibly dating back to the 19th century may have been a stopping point for voyagers between ancient Egypt and the Mayan Civilization.

An unexpected ghost village lurks on the southeast coast of Tenerife.