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

According to the locals, the sands of this secluded Norway beach are infused with gemstone particles.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

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

Paris' linguistic guide to the international language of, yes, love.

A Cold War command center is hidden under an idyllic countryside.

Because sometimes you need to make a batch of frites even when the stores are all closed.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

Christ's blood preserved in a Belgian town.

A rare example of World War I trenches from the British front.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

Cozy basement bar sports an inventory of over 2,000 beers.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Its collection commemorates the author of the iconic children's book "Heidi."

Spiral alpine structure provides an alternative experience of viewing the Matterhorn.

A 22-million-year-old sandstone cave is a natural habitat for award-winning cheese.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

The World Wide Web was created in this nondescript corridor at CERN.

Where Mary Shelley’s "Frankenstein" and John William Polidori's "The Vampyre" were born.

A symbol of friendship between the mountainous regions of Switzerland and Bhutan.

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

This simple apartment may have inspired some of the most important theories in the history of science.