This high-speed test track is popular with car manufacturers, speed freaks and orbiting astronauts.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

Southern Italy's spinning top village.

A long-buried ancient ruin unearthed right in the middle of the city.

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.

A 1,000-year-old church holds the bones of the Christian martyrs who died hiding inside it.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

A magical, if a bit tacky, 1960s castle conjures up medieval fairytales and Greek mythology.

Seventeen oak trees sprout from the roof and walls of this tiny chapel without any visual evidence of roots.

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

This legendary city has been a tourist attraction for centuries.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

This 18th-century former mosque held the first Hellenic Parliament.

The historic building has preserved human organs, unusual hexagrams, and scars from a political assassination.

Monasteries on rock pillars, once accessible only by frayed ropes.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

A marvel of Byzantine engineering under the streets of Istanbul.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

In a long-dry lake bed, these groups of massive stone pillars bear a striking resemblance to clumps of everyone's favorite fungi.

This historic black and white monastery is one of Bulgaria's architectural jewels.

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

An homage to the medieval rulers of Bulgaria.