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

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

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Walk in the footsteps of the gods and straddle two tectonic plates.

An encyclopedic collection of mammal penises.

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

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

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

The so-called "world's shortest river" is actually a window into a cave.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

The land is home to swimming ponies and a legendary 18th-century treasure.

A museum and shop on Bourbon Street located in the French Quarter.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A snapshot of the city's fascinating voodoo culture.

World War II-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers.

What better place to take a seat?

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

A miniature city, once ruled by the Queen of the Netherlands.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.