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

An encyclopedic collection of mammal penises.

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

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

Largest private bird collection in Iceland, formed from a tragic accident.

Rising from the sea like a stone monster.

An antiquated German apothecary on Chicago's North Side.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

A modern day curiosity cabinet.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

Limestone caves with spectacular showcase chambers.

The cinder cone volcano with a less than complimentary name.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

This southwestern historic site was designed and built by an artist who wanted his work to "feel at home."

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Ancient pueblos built into the base of a natural canyon wall.

A spiritual vortex among the red rocks in Sedona.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

Astounding collection of coin-operated games and automata.

The only surviving prototype for Buckminster Fuller's house of the future.

The concrete shell of an industry giant remains as a playground for graffiti artists, auto scrappers, and paintball warriors.