This is one really big nut.

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

A museum dedicated to the alleged Roswell Incident.

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

Don't blink or you'll miss it.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

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

The state bird of New Mexico, constructed entirely out of garbage.

More than 21,000 images fill this overlooked gem of a prehistoric site.

Rumor had it that these concrete crosses scattered across the Arizona scrubland helped align spy satellites. (They didn’t.)

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

This pseudo-steampunk weapons facility is the world's largest wood and glue structure, and packs quite a wallop.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

With its peeling paint and faded sign, this theater-turned-recycling plant is a nostalgic relic of 1950s Americana.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The abandoned personal amusement park of the King of Pop.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

Supposedly Satanic numbers adorn this preserved submarine sail.

These century-old beehive-shaped kilns were built to produce charcoal for nearby mines.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

A few dilapidated structures are all that remain of this deserted former silver mining town.