The lake that fills and empties itself at random.

This large neolithic tomb, also known as Greengraves, is hidden off a Northern Irish road.

A medieval abbey featured on 'Game of Thrones' that dates back to the 12th century.

A peace symbol in Northern Ireland is among the world's largest hedge mazes.

The highest peak in Northern Ireland is topped with a stone tower and haunting burial mounds.

Built in 1547, these ruins lie on a rocky promontory in Ballintoy jutting into the wild ocean waters below.

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

The atmospheric road was never meant to be so creepy.

Northern Ireland's Brobdingnagian stepping stones.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

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

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

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

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

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

The home of Ireland's last leprechauns is officially protected by the European Union.

A stone wall that mysteriously moved three feet from its foundation.

This Neolithic passage tomb forms part of a World Heritage Site.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

An ancient chamber filled with wonderful rock art and a Neolithic carving of a human face.

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

A corkscrew-shaped barn in Ireland.

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

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.