The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

Climb right into the heart of this colorful Iceland volcano.

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

The simple gravesite of a Romany clan leader is dotted with offerings, including cans of her favorite drink, Crush orange soda.

This ancient settlement contains some of the largest earthen mounds in North America.

One of the few existing, fully functional Showbiz Pizza animatronic shows.

A dramatically eroding canyon thousands of miles from the desert.

This Louisiana folk art gallery is a gnarled collection of driftwood homonculi.

All that remains of this small town is its mass grave and a myth of a voodoo priestess who predicted its demise.

An abandoned warehouse turned art sanctuary in New Orleans.

A perfect turquoise lake colored with glacier dust.

A unique collection of gilded age mechanical pianos.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

This unattributed sculpture in Amsterdam is hiding in plain sight.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world's only museum devoted to the wonders of fluorescence.

An abandoned water sports stadium that has become a haven for graffiti and decay.

The juke joint where legendary soul artists ate, drank, and made merry.