A sacred well steeped in Pagan roots on the West Coast of Ireland.

The oldest continual pilgrimage site in Britain was supposedly created by a gruesome beheading.

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 floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

Just another ancient, mysterious Irish stone circle.

A massive Celtic cross secretly growing in an Irish forest.

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

A Roman monument to their own civil engineering prowess.

Moss and stone turn this waterfall into an otherworldly liquid veil.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

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

The 14th-century ruins are said to contain healing powers.

This Oregon farm is dedicated to teaching people the professional art of tree climbing.

A tiny chapel clings to a precipice above Germany’s gemstone capital.

Local legends say that fairies used to dance in the moonlight here and invite handsome young men into their grottoes.

According to legend, you must remain completely silent while passing this man-made mound or suffer the consequences.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

A plaque commemorates the spot in the Oregon woods where the first-ever Geocache was hidden.

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.

Hollowed out cedar log tubs set in an ancient towering forest.

A collection of housewares from recent Irish history adjoined by a tower from ancient Irish history.

Local legend says the remains of Father Christmas lie within the medieval grounds.