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

At this cozy bar tucked down a hidden Galway backroad, Guinness makes the Gaelic come out.

The location of the Bridge of Death and the Gorge of Eternal Peril in "Monty Python and the Holy Grail."

The location of this historic castle was inspired by a donkey.

This 16th-century close preserves an unusual piece of Edinburgh's transportation history.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

A remarkably well preserved tower dating all the way back to the Iron Age.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

These ruins of Francis Bacon's once-magnificent manor are hidden in the English countryside.

This lighthouse was crafted as penitence for the theft of wine bound for a monastery.

A 14th century castle built on the seat of a mighty giant.

A creepy tree with a local legend that inspired a nearby theme park ride.

Also known as "Robin Hood's tree," this tree became a famed location along Hadrian's Wall before it was cut down in an act of vandalism.

Now isolated, this church was once the center of a bustling village that succumbed to the Black Death.

The legend says that this English rock formation was once a hunter who was turned to stone by annoyed witches.

A winding medieval path was used by mourners to carry their dead to the nearest church.

These ancient ruins were the final resting place of King Henry II's mistress.

The site of a mysterious pony massacre is rich with extraterrestrial conspiracy theories.

Legend has it the famous Robin Hood would attend mass at this 12th-century Cistercian abbey in Sherwood Forrest.

This ancient oak tree sheltered accused "witches" in the 17th century.

Legend says this little-known stone circle is formed from people petrified as punishment for dancing on the Sabbath.

An ancient woodland that inspired a young J.R.R. Tolkien.

A reportedly haunted 14th century church is curiously facing the “wrong direction.”

This landmark Victorian folly rewards visitors with spectacular views over the Peak District.