Places markggn Wants to Go

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

Man-made mineral caves house massive bat colony.

Mysterious craters may have been home to an ancient cult.

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

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

When Croatia became independent of Yugoslavia, the splintering governments left behind these concrete tunnels.

The oldest church in Iceland is one of the few to feature ornate decoration.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

Climb right into the heart of this colorful Iceland volcano.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

Rising from the sea like a stone monster.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

A unique museum tells the story of the day-to-day life of World War I soldiers.

This small commune with an even smaller name appears to have an unlikely amount of dead ancestors.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

The haunting concrete remains of a Nazi pebble crusher can still be found in this small French commune.

A massive base for the Nazis' most formidable weapon in the Atlantic.

An underground city of ancient quarry tunnels hid thousands of Allied soldiers in WWI.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

This futuristic observatory at the top of the Pyrénées offers unrivaled views.

A subterranean shelter remains intact under a busy Paris railway station.