This 30-foot pile of rocks may be the grave of a mythological Irish queen.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

Local legend says the remains of Father Christmas lie within the medieval grounds.

An ancient neolithic tomb that only sees the sun twice a year.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

The fountain marks the area where hundreds of accused witches were burned at the stake.

This series of Scottish caves has no clear purpose other than baffling historians.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

The oldest stone house in Paris was built by its most famous alchemist.

Huge masonic hall in Philadelphia with lavishly themed rooms.