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 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.

A small memorial commemorates a man who died at Kilkee Cliffs.

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

The smallest chapel in Europe is a moving testament to the love between a husband and wife.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

A memorial to the British politician who spearheaded the National Health Service.

Eerily lifelike effigies stare at everyone who enters this sanctuary.

A Welsh sheep farm provides daily (non-sheep) meals to red kites, producing dazzling displays of aerial acrobatics.

This 19th-century island fort built to protect against an invasion by sea.

The artist David Nash planted a circle of trees in 1977.

The only medieval bridge in Britain with its defensive tower still in tact.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

The world’s only museum dedicated to baked beans.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

This huge coastal nature reserve in Wales was a stand-in for the Arabian Peninsula in 'Lawrence of Arabia.'

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.