This tiny train shuttles passengers to one of Northern Ireland's most spectacular sights.

It is said a heartbroken man visited the gap every day to stare blankly out at the sea.

The lake that fills and empties itself at random.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

A peace symbol in Northern Ireland is among the world's largest hedge mazes.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

The smallest museum in Basel, Switzerland, is a two-foot-by-two-foot window in the door of a 600-year-old house.

A communal oasis on Lake Zurich.

An 11th-century fortress home to one of the most influential royal houses in medieval Europe.

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

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

At 929 pounds and 26 feet tall, this stainless steel fork can only be used by the likes of King Kong.

Museum dedicated to wax representations of disfiguring diseases.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

The steepest classic funicular in the world glides along a dizzying incline.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

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

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

World's largest permanent maze made of 18,000 conifers.