Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

A tunnel of hardened lava along Maui’s famous Road to Hana.

Submerged lava formations create incredible waterworks.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

This WWII plane died a quiet death, and is now a garden eel playground.

The largest lake in the Faroe Islands seems to be held hundreds of feet above sea level thanks to an optical illusion.

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

The most powerful waterfall in all of Europe.

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

Iceland's largest lagoon is home to stunning multi-colored icebergs.

An encyclopedic collection of mammal penises.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

Staves, storm-calling, and of course, necropants.

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

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

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

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

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

An Icelandic island full of diving birds and legend.

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