The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

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

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

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

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

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

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.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

A constellation of golden cobblestones shows the names of local children born under a full moon.

Featuring a meatless buffet fit for kings, this family-owned Zurich eatery is considered the oldest vegetarian restaurant in the West.

Museum of science fiction, utopias, and extraordinary journeys of the mind.

Over 3km of caverns and caves at the Switzerland-France border contain the largest underground river in Central Europe.

A 200-year-old tavern challenges guests to finish a glass of wine while hanging from a ceiling beam.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

Walk through a restaurant's refrigerator door to reach this hidden bar.

These spooky and unusual stone formations create an underworldly landscape.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

This unusual elevator doesn’t stop or slow down.

Sail in for a ’dam good slice.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

This cheese shop also houses a museum devoted to Dutch dairy.