Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A unique hotel for the artistic soul.

A perfectly preserved hill village where the buildings are painted like white lace.

This Denmark theme park is part family attraction, part experimental archaeology project.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

A natural wonder in south Denmark.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

A walkable map of the world, made from soil and stone by one man.

A massive, abstract lookout tower providing a panoramic view of Prague.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

This doorless 20th-century elevator doesn't stop or slow down.

The hidden lair of an alchemist rediscovered in a 2002 flood.

An existential riddle in the world's largest ancient castle.

Dedicated to the "father of modern education," this museum documents the history of education in Czechia.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

Microscopic scenes; some call it novelty, some call it art.