Walrus skulls and narwhal bones were found here while excavating a 900-year old church.

Greenland's first shopping mall also hosts the country's government.

The 3.8 billion-year-old rock proves that tectonic plates may have been shifting longer than we thought.

The world's northernmost flowers cling tenuously to life on desolate Kaffeklubben Island.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

A slice of central Asia in the middle of Berlin.

Old Danish castle immortalized in Shakespeare's Hamlet.

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

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

Mysterious craters may have been home to an ancient cult.

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

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

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

Man-made mineral caves house massive bat colony.

Wars fought and wars won are remembered by these abandoned bunker ruins.

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

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Legend says lovers who hold hands while venturing along this stone jetty and kiss at the end will remain together forever.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

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

Spend the night in 1920s Latvia in this historic recreation and movie set.

Flamboyant architecture from the turn of 20th century.

These crumbling Latvian forts make for some haunting seaside ruins.

The widest waterfall in Europe is a natural wonder and one of the only places where fish are caught in the air.