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

A giant concrete orb in far north Iceland marks the ever-shifting boundary.

Fabulous formations, weird and wonderful wildlife.

An odd little fishing town that is inundated by tourists looking to be locked up in a cage and surrounded by great white sharks, because why not?

A gateway to a mysterious network of underground tunnels.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

The world's largest solar furnace uses 10,000 mirrors to concentrate the sun's rays to generate power.

Underground farm located in a former bank vault deep within the bowels of Tokyo's business district.

The largest catacomb system in the world.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

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

Medicinal spa created with the discharge from a geothermal energy plant.

A magical place that lets you play in and explore the world of Studio Ghibli.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Rippling sand dunes frozen in the Arizona rock.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Dramatic sea stacks adorn the coast of this small village on the Adriatic coast.

The bones of some 7,000 soldiers killed in the historic Battle of Solferino are stored here.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

A museum which takes visitors to the côté obscure of Paris.