The longest burning light bulb in the world.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

This rare example of a "tidefall" is a spectacular drop from the cliffs down onto the beach.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

California's own majestic geyser is powered by a subterranean volcano.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

A playground built by the kids that is a child's wonderland, and a helicopter parent's nightmare.

"Only the devil could play golf here."

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

A world-class observatory in the California desert.

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

Named after a bandit and the star of several Hollywood prehistoric landscapes, these sandstone formations are a historical part of the Los Angeles natural landscape.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

This massive redwood tree has a hole in the base big enough to drive through.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Abandoned bridge hidden deep in the San Gabriel Mountains.

Quite simply the largest tree in the world (by volume).

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A collection of 20th-century automata, penny arcade games, and musical contraptions.