The observation point offers spectacular views of the ruins of an ancient Armenian capital.

This ancient monastery complex was transformed from an island to a peninsula when the lake was partially drained.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

A geological oddity topped with a 2,000-year-old pagan temple.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The oldest public library in Ireland.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

A giant bug impaled on a 75-foot-tall needle.

A once-magnificent collegiate church is falling into ruin.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

A monument to the conquistador became increasingly controversial in the very city that he founded.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

Wind power station for making famous Ketel One vodka.

For the holidays, the tallest broadcasting tower in the Netherlands turns into one of the world's tallest Christmas trees.

This giant wire frame man sculpture is crouched in contemplation.

This towering church is home to a world-famous organ and a treasure trove of medieval art.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.