The remains of a majestic house that was once stood in the crosshairs of the Irish Republican Army.

The ruins of a once-grand mansion in Northern Ireland are now thought to be haunted.

A beloved upside-down beacon off the coast of Northern Ireland.

The atmospheric road was never meant to be so creepy.

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

The ruins of a medieval monastery named after a type of tree.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

A hugely vast Irish landscape of barren rock that stretches for miles.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

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

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

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

The ancient tomb acts as a calendar that keeps perfect time.

The "plyscraper" is the world's tallest building made predominantly out of wood.

Locals transformed this Canadian evergreen into a secret hangout with spectacular views of Vancouver's skyline.

Traditional 15th century Chinese garden in the middle of Vancouver.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

This tiny little cave was said to have been a refuge for a saint with a glowing arm.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.