One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

A stunning medieval castle owned and restored by the famed actor Jeremy Irons.

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 Irish town has built a statue to a silent film actor simply thanks to the holidays he once spent there.

Petrified footprints of one of the very first vertebrates to walk on land.

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

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

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

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

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

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

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

A series of haunting wooden totems are hidden in the woods surrounding a German environmental center.

The great Danube river starts here.

The natural mummy of the less than chivalrous Knight Kahlbutz.

The castle where Martin Luther secretly translated the New Testament from Greek to German while in hiding.

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

The world's most delightful not-NOT-religion welcomes visitors to the town of Templin, just like its more stoic peers.

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

The room where the famous commander of the Catholic forces was murdered by Irish assassins during the Thirty Years' War has been reconstructed with many of his original possessions.

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

When the river dries up, these stones start talking.

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

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