The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

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

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.

An artist's whimsical transformation of everyday objects.

This 16th-century close preserves an unusual piece of Edinburgh's transportation history.

This 16th-century house tells the city's history through old artifacts and quirky tales.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

Home to three historic ships from the age of Vikings.

An intricately carved Viking church overlooks a glistening fjord.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

Dine amidst exotic plants at this former royal greenhouse.

The beautiful baroque library of the Hapsburg empire.

Fossils, railroads, and waterfalls!

This natural sea cave hides a small wonderland of natural turquoise beauty.

An ancient Viking village in North America that predates Columbus by 500 years.