Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

A curious collection dedicated to human and animal anatomy and pathology.

Denmark’s never-ending bridge.

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

The entire length of the border is marked by a 20-foot-wide slash through the trees.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

Just another terrifying garden filled with hundreds of endlessly smiling doll people.

This former Nazi labor camp is now a poignant memorial, complete with giant Soviet-style monuments.

A black cat protests the City Guild in Riga's Old Town.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

A tiny traditional village keeps an ancient method of beekeeping alive.

Open-air museum with a large collection of Soviet-era statues.

A WWII museum that tries to reenact history.

Launch site for nuclear war against Western Europe.

Lithuania's outdoor sculpture trail of wooden folk art.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

This striking memorial is one of Estonia’s most controversial Soviet leftovers.

This impressively complicated radioastronomy research center was once a tool of Soviet spies.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

This abandoned beacon is moving closer and closer to the sea.

Built to ward off Napoleon's army, this city-sized abandoned Russian fort is now perfect for urban exploration.

For the last century, this international border within a small town has appeared and disappeared various times.