Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

This Kathmandu museum, built in an Austrian modernist style, looks like a set from Star Wars.

This elegant neoclassical garden is a peaceful oasis in the middle of the Nepalese capital.

One of Ireland's most infamous prisons for rebels including men, women and children.

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

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

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

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

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

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

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.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

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

A moody and picturesque riverside ruin overgrown with vegetation.

An old bank vault in Atlanta is now the eternal shrine to the King of Rock and Roll.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

This stone is a marker of one millionaire's personal vendetta against gravity.

Tour the sci-fi-esque reality of governmental disease management.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Would you like a sleeper hold with that?

The sign at the garden gate reads: "These Plants Can Kill."