An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

An impressive piece of infrastructure that seems outsized when considering it serves an island with a population of less than 300.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

Spend the night in this formerly abandoned traditional Scottish village.

A magnificent, iconic stone tower in the Scottish Highlands.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

One of Edinburgh's oldest pubs hides a 19th-century skittles alley in the back.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

Now home to a drinking establishment, this building has a macabre history.

A multi-storied painting that depicts the area's rich and diverse maritime history.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

A beautiful Kentish country intersection hosts a tasty little photo spot.

A prison tower–like edifice honoring a beloved local benefactor.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The modern birthplace of Irish freedom.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

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

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

The oldest public library in Ireland.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."