David Sedaris called it "The greatest shop in the world."

Take a giant yellow bird cage to the top of Elba's highest mountain.

Renaissance villa and gardens complete with a tormented colossus.

This natural gas vent certainly earns its name as the smallest volcano in Italy.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

Pompeii's less famous neighbor is still revealing her secrets.

The oldest volcanology research center in the world.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

A submerged archeological park still holds the wonders of a Roman Sodom.

This plaque tells the story of an event that took place in an imagined parallel universe.

An 18th-century lighthouse built on a 16th-century castle is now a monument to the maritime beacons of Scotland.

An intricately carved Viking church overlooks a glistening fjord.

As lake waters recede, a German village reemerges after more than a hundred years.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

"Holy Wisdom" overlooks the city that became its namesake.

An homage to the medieval rulers of Bulgaria.

A vast Communist-era exhibition space in the Bulgarian capital.

A magnificent, glittering building tucked into a tiny Bulgarian mountain town.

A striking symbol of the Bulgarian capital.

Hundreds of mossy stones engraved with bits of philosophy, literature and random musings.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.