The eerie remains of one of Ireland's oldest castles, said to be haunted by the ghost of a woman who brings ill fate.

An ancient holy well said to be used by the patron saint of sailors and travelers, lost in the boggy west of Valentia Island.

An abandoned faux-pub made famous by a Guinness commercial.

This beautiful site is where the first transatlantic telegraph was sent from.

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

This natural sea arch highlights Ireland's rugged coastal beauty.

This World War II relic let Allied pilots know they were entering neutral airspace.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

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

Certain traditions prevail on the least-visited island of the Aran Islands.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

When the tide is high, you can see the Atlantic pushing up through a deep, jagged hole in the rock.

This small Irish village suffered the greatest loss of life when the Titanic sank.

The remains of a concrete ship sit on a sandbank between Ballina Quay and Belleek Woods.

A once-luxurious, now abandoned hotel in the Italian Alps.

This monastery built into a cliff hides a perfectly preserved hermit in a glass coffin.

This decommissioned nuclear power plant offers tours of its Communist-era control room and reactor hall.

Made from trees and then abandoned, this fence is still growing along a path in Germany.

This Gothic church was wheeled in its entirety to a new location a half a mile away.

Towering sandstone rock formations where 'The Chronicles of Narnia' was filmed.

When the river dries up, these stones start talking.

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

Ruins of a German Castle on top of a towering stone pillar.

An ornate century-old elevator still connects the two halves of Bad Schandau.