Who needs fancy modern water slides when this giant North Carolina rock works just as well?

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

Ruins of an old sugar mill sitting quietly next to a park in rural Florida.

This natural sea arch highlights Ireland's rugged coastal beauty.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

A remarkably intact castle that once was the largest in Ireland.

A moody and picturesque riverside ruin overgrown with vegetation.

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

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

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

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

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

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

This 5,300-year-old tomb with mysterious carvings crowns an Irish mountain.

At this cozy bar tucked down a hidden Galway backroad, Guinness makes the Gaelic come out.

Catholics make up 84% of Ireland's population but this Dublin museum remembers the small but important Jewish community.

This 18th-century fort surrounded by a moat was used to store gun powder and ammunition, and now sits in the middle of a large part in Dublin.

This historic crypt was said to have been designed and built by the very person who is buried inside of it.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.