This art installation pays homage to the famed stones of European lore.

A Serbian church lit by chandeliers made of weapons.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.

This 13th century Orthodox monastery is built right into the Moldovan cliffside.

This sign marks the entrance to a tiny proto-state within the small country of Moldova.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

A fearsome dragon clings to a corner of Munich's city hall.

A subterranean house of worship carved right out of the bedrock.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

A statue dedicated to the founders of communism.

At less than four inches in height, this iconic fictional character is the smallest public statue in all of Moldova.

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Bell tower juts out from a village buried under a lake.

A line of abandoned, alien-like fortresses dot the mountains of North Italy.

Crumbling ruins of the thermal baths that once attracted royals and aristocrats from throughout Europe.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.