Research missiles and rainbow auroras at the world's largest land-based rocket range.

Watch the newest land on the planet form before your eyes.

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

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

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

Naturally formed white marble arch housed in an abandoned marble quarry from the 1800s.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.

This natural rock "church" might not be a proper chapel but that doesn't mean it's not beautiful.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

The world's widest single drop waterfall, and the two men who legend says went over its edge in a boat.

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

A miraculous natural phenomenon known as "the spring that breathes."

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

The lovely lake that was naturally dammed, then naturally destroyed, then unnaturally saved.

Thousands of small machines line the shelves of this personal collection which definitely delivers on its name.

Over 600 vacuum cleaners stack the shelves of what may be the cleanest museum in America.

No longer the only, but definitely the oldest, fountain in Greenland.