This lucky bronze frog was gifted to Madrid by a casino.

The earliest known map to show America, discovered by accident at a Paris bookshop.

A huge cathedral single-handedly constructed by one eccentric monk.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

Devastated landscape used for hundreds of years by the Romans as their primary mining site.

A historic Christian shrine nestled within a spectacular natural cave.

A wonderful collection of fossilized dinosaurs and other creatures that roamed the landscape millions of years ago.

This enchanting green space houses a labyrinth lined with toxic plants.

The young girl gained fame for her atypical size and was regarded as a curiosity by the Spanish aristocracy.

A prehistoric cave in Spain contains paintings dating back to the Ice Age.

The much-loved protagonist of famed Argentinian comics can be found sitting on a park bench.

Two large posteriors in one giant statue.

This museum is dedicated to the most famous Irish writers in history.

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

The modern birthplace of Irish freedom.

The house where the writer spent his formative years.

A stunning Victorian abbey and walled garden on a lakefront.

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

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

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

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.