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

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

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

A monument to the defenders of the Arctic in Murmansk, Russia.

Digger attempting to hide itself under 300 tons of rubble.

A Danish fisherman spent 25 years covering nearly every inch of his home with tens of thousands of shells as a gift to his wife.

This museum is a portal to 20th-century Denmark.

A symbol for the opposition to nuclear power around the world.

The last Viking king of Denmark is buried inside the crypt of this cathedral.

Denmark's famous pseudo-hill.

These old World War II fortifications have been transformed into an unusual equine attraction.

Dozens of musicians have planted trees in this Danish park, and donated songs to go with them.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

Iron Age "bog person" preserved for over 2,300 years.

Old Danish castle immortalized in Shakespeare's Hamlet.

According to the local legend, these boys and ducks were turned to stone by an angered water goblin.

Brass plaques embedded in pavement preserve the memories of those who lost their lives at the hands of Nazis during World War II.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

A sculpture of the beloved author surrounded by characters from his fairy tales.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

The largest fountain in Bratislava.