One man's lifelong obsession with death.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Large tower used for simulating radiation of Hiroshima bomb and the tallest object ever relocated.

The site of an underground detonation of a megaton nuclear bomb in the middle of the Mojave Desert.

Mysterious meeting place for UFO hunters near Area 51.

Bringing back the art of handmade custom coffins.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

Eastern zen meets Western grit in these four little trees growing out of a rock on Lake Tahoe’s Nevada shore.

The most powerful laboratory radiation source in the world pulses with 1,000 times the electricity of a lightning bolt.

Potential high level nuclear waste storage site for the next 10,000 years and beyond.

The largest man-made crater in the U.S. marks the spot where we once tested mining with nukes.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The longest living non-clonal organisms on Earth.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

A cabinet of curious mathematical models and old calculators.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

The world's largest military aircraft cemetery.

The Magical World of George Phar Legler.

Miniature art that tells an enormous story.

America's only nuclear missile silo open to the public.

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