The modern birthplace of Irish freedom.

One of Ireland's most infamous prisons for rebels including men, women and children.

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

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

This gruesome biblical parade celebrates the one day a year that a bit of Jesus' blood turns to liquid.

A beer pipeline runs beneath Bruges.

A lush indoor jungle fills this bustling Madrid transportation hub.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

An eerie collection of the surviving structures from a past celebration of the future.

The final resting place of the great navigator, or maybe his brother.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A musical instrument played by the sea.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This 1776 beacon on the coast of Wales is said to have a ghost called Raymond, the last lighthouse keeper.

One of the few surviving street funiculars in the world.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

This floating sculpture of ice is a poignant reminder of nature's power.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Home to three historic ships from the age of Vikings.