This tiny museum's sizable collection is jammed into a former underground public toilet.

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

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

An encyclopedic collection of mammal penises.

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

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The celebrated eyesore created by starry-eyed sweethearts.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

An ancient knight and a symbol of the city's freedom.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

An abandoned amusement park based on the popular 1940s Red Ryder comic strip.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

A sculpture of a flying hawk made from colorful car doors.

A museum devoted entirely to the rattlesnakes and snake-related art.

When life gave this firefighter a forest fire, he made a rough-hewn sculpture park using a chainsaw.