A surreal museum of extraordinary industrial objects.

A slice of central Asia in the middle of Berlin.

The fairy tale castle of the "fairy-tale king."

Started as a kitchen garden, now the second largest botanical garden in the world.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

An eerie, derelict amusement park in Berlin.

Feast on award-winning birria tacos from a food truck inside this neon robo-tiki bar.

A rainbow of kulfi and falooda flows from this Indian-style ice cream parlor.

This supper-club-turned-concert-venue still serves drinks at its original rotating bar.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

A giant red chair bolted to a rock on a remote mossy hillside in Iceland.

This collection of unique liquids allows visitors to wander the waters of Iceland's glaciers.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

The summer tourists on these cliffs are thousands of seabirds.

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

A sulfuric martian landscape that looks far better than it smells.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

A lonely beacon, precariously perched atop a remote sliver of rock.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.