Two churches shoot bottle rockets at each others' bell towers in an unusual Easter celebration.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

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

This legendary city has been a tourist attraction for centuries.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

The hallucinogenic center of the ancient world.

A spectacular cave and a beguiling lake.

Made from trees and then abandoned, this fence is still growing along a path in Germany.

For centuries, Germans have been dancing in trees.

A German town is growing a building out of trees.

A unique, free-floating electric ferry may be the only of its kind in Europe.

Celebrating the Eucharist, the day is a legal holiday in many parts of Germany.

The castle where Martin Luther secretly translated the New Testament from Greek to German while in hiding.

At this unusual park, domes, ladders, chairs, and more are made from trees.

The monumental home of Prussia’s eccentric "Cannon King."

A remarkable two-country morph, this town is part of Germany legally but is by all other measures Swiss.

Held in an old church, this clockwork museum maintains a special focus on titanic tower timepieces.

Sausages, schnitzel, and weiners.

The largest brick bridge in the world.

Oberweissbacher Bergbahn - a broad-gauged cable car capable transfering railcars.

This futuristic German television spire is actually the world's largest digital clock.

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

One of the most well-known city festivals in the world.