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

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

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

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.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

A remarkably intact castle that once was the largest in Ireland.

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

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

An ancient octagonal weather station named for the eight Greek gods of wind.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

The hallucinogenic center of the ancient world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

A fearsome dragon clings to a corner of Munich's city hall.

It's good luck to be mocked by this monkey.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”