Commemorating the landing of William of Orange with his European army on their way to the Battle of the Boyne.

This mine was once used to defend the coast from attack during World War II.

A replica memorializes the site where women were punished after the last witchcraft trial in Ireland.

A restored World War II Churchill Mark VII Tank now stands guard in Carrickfergus.

The atmospheric road was never meant to be so creepy.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

Fascinating town where normal life interfaces with the occult.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

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

The longest and tallest aqueduct in Britain can actually be sailed across.

These precariously placed ruins harken back to a 13th-century castle.

This ancient abbey now lies in majestic ruin behind a caravan park.

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

Picturesque ruins once held off mighty armies.

In a resort town where the real Alice spent her summer holidays, iconic characters create a curious trail.

One of the few surviving street funiculars in the world.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

This 6th-century church honors St. Tudno, the patron saint of Llandudno.

An unexpectedly extraterrestrial room in a former Victorian resort club.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.