A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Home to a 26-foot-tall statue of an American icon.

An elaborate, hidden model train in the Needham Town Forest.

The largest stone circle in Ireland.

This center tells the story of one of the most famous battles in Irish history.

This 18th-century fort surrounded by a moat was used to store gun powder and ammunition, and now sits in the middle of a large part in Dublin.

This rare and ancient Christian relic is one of Ireland’s oldest freestanding stone crosses.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

This World War II relic let Allied pilots know they were entering neutral airspace.

This supermarket offers shoppers a window into the past alongside their groceries.

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

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

This Bronze Age tomb is the centerpiece of a clearing within a beautiful Irish forest.

A standing relief of a Norman knight whose posture marks him as a Crusader.

Ireland's only German military cemetery holds the remains of a spy who was moved there under the cover of darkness.

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

Certain traditions prevail on the least-visited island of the Aran Islands.

The remains of this deep, dark mine have left behind a haunting rocky warren of tunnels.