Disks are rolled out onto the south lawn to absorb the impact of Marine One's wheels like giant coffee coasters.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

The ruined doorway is a portal to the building's turbulent and torturous past.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

These artifacts were discovered during the construction of the airport, with some dating back to the Neolithic period.

A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

An ancient octagonal weather station named for the eight Greek gods of wind.

This famous archeological mystery may be an ancient example of movable type.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

World's only telecommunication tower with a wooden pinnacle.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

Dancing skeletal figures pay homage to a medieval mural destroyed during World War II.

This 600-year-old home seems to defy physics.

Is this statue at Naumberg Cathedral the fairest of them all?

The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

Art historians have debated the identity of this medieval stone rider since the 19th century.

The trials and tribulations of marking Poe’s grave.

Once America's tallest structure, now a Baltimore landmark.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

The first American department store, and home to the largest operating musical instrument in the world.