Experience what life was like in Ireland during the Viking and medieval ages.

The burial place of 14 of the executed leaders of the Easter Rising.

A hugely vast Irish landscape of barren rock that stretches for miles.

Ruins battered by centuries of war and disaster offer a wondrous glimpse of medieval Ireland.

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

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

This heart-shaped island looks substantially less lovely after a recent bulldozing project.

The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

An ancient knight and a symbol of the city's freedom.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

Croatia's towering concrete blossom grows from the site of a World War II concentration camp.

Longest fortress system anywhere in Europe.

Gargoyle head that brings good luck.

This modern, multimedia museum takes visitors on an evolutionary journey back in time.

This 135-year-old weather station studied the effects of the climate on human health.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

A devastating booze inferno poured through the streets, claiming several victims who drank it.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.