In the days before HD projectors and IMAX, some of the most powerful projectors belonged to planetariums.

Celebrating the accomplishments of Black firefighters in Los Angeles.

This rare tortoise skeleton has been hanging around the downtown Los Angeles museum for over a century.

Making Ice Cream Hip Since 2008.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

An ode to one of the dirtiest jobs during the construction of the Boulder Dam.

A lovely park home with a few interesting guests.

This vintage animatronics show is the Vegas version of a walk through the woods.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

His discovery kicked off the Gold Rush. One of the hands on this commemorative statue points to the spot where he found the precious metal.

Internationally-recognized arts center housed in a century-old former military barracks.

Centuries of biking history are nestled in the shadow of the birthplace of contemporary mountain biking.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

Two tall rocks sit at the center of this site, once the home of a large Ancestral Puebloan community.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

This replica of the Greek structure is in the heart of Nashville.

A massive sustainable farm designed by the mastermind behind Central Park.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.