An eccentric millionaire's personal curio collection includes at least one shrunken head.

A wealth of local folk art, antiques, and curios, without ever leaving your car.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

An collection of Chinese propaganda posters from 1949 to 1979.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

A 200-year-old prison that now houses a peculiar crime museum.

Robots, lasers, and whoopee cushions, oh my!

This golf ball–shaped former desert real estate office now houses a UFO museum.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

Oddly shaped rock formation, misassociated with a nearby utopian community.

This ghost town was once a cult-like religious utopian settlement.

A museum dedicated to the alleged Roswell Incident.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

A clear blue swimming hole with hidden caves, still unexplored.

These aggressively sustainable art homes look like something out of 1970's science fiction.

Dramatic river bend surrounds a natural red-rocked pedestal.

A preserve with 75,000 ancient drawings remains the realm of public – not just scientific – exploration.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Seller of surplus nuclear research materials.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.