This stately estate house features a tower covered in a bright, modern mural.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

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

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

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

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

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

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

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

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

Once the longest bridge in Ireland, this rusting span sits abandoned and overrun by nature.

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

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

A glacier pocked with ice caves and surrounded by rainforests.

The glacier tucked within a New Zealand rainforest.

Deadly scalding and one of the largest hot springs in the world.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

Tubing through a cave lit with glowworms is a magical underground experience.

Some of the clearest water anywhere in the world.

The seamy, underground secrets of Portland's criminal past.

This charmingly homemade amusement park has been growing for 40 years.

A beautiful 62-acre Catholic shrine and botanical garden.