Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

A narrow strip of land is home to the tallest migrating dunes in Europe.

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

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

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

A collection of collections ranging from dentistry to minerals.

An alien church provides much needed silence in the midst of a Finland shopping center.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

Crawling into this primordial cave may feel disconcertingly familiar.

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

This abandoned secret city is a crumbling wonderland of Soviet ruins.

A decommissioned submarine base makes a great space for graffiti art.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

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

Relics from an era long gone, sit idle outside this Estonian museum.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

This old Estonian mine has been kept like a sprawling time capsule of the local shale industry.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

The gutted remains of this Estonian mansion are a monument to a tragic love.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

It's rumored this unique Baltic beacon was designed by Gustave Eiffel himself.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

This 15th-century cave complex is one of the very few monasteries to stay open throughout World War II and the Soviet regime.

Man-made mineral caves house massive bat colony.