A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

An 18th-century lighthouse built on a 16th-century castle is now a monument to the maritime beacons of Scotland.

These ruins are a hidden gem, complete with fantastic views over the cliff edge.

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

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

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

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

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

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

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

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

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

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

From scholastic to sepulchral - now under reconstruction.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

One of only two commuter aerial tramways in the United States.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.