The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

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

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

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

Early habitat dioramas and home of the elusive gaff, the skvader.

A statue that stood at the center of a long copyright battle.

This unique sculpture is often overlooked by pedestrians.

Finally reunited, the three effigies now stand in a museum courtyard.

The scars of a remarkably organized public protest to save 13 elm trees are still visible in this Stockholm park.

Enormous ants wielding giant pine needles guard a Stockholm real estate company's office.

This giant subway sculpture celebrates the fruit that inspired the theory of gravity.

No one knows who's responsible for decorating this tunnel with stuffed animals, but the people love it enough to protest their removal.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

Sweden's "good old days" painstakingly re-created in a model village.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

These 2000 year old remains of a Roman aqueduct are hidden inside a hotel lobby.

An open-air "garden" of mural art that changes weekly.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

A stately palace has been converted into the world's largest cannabis museum.

Mountain where Jesus was first tempted by the Devil.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.