Since World War II people have been decorating this stretch of the Yuma desert with signatures arranged out of rocks.

Semi-recognized center of the world, with many oddities.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

A giant Troll lurks under one of Seattle's oldest bridges.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

A wall of chewing gum moonlights as collective art.

A walk through the historic city center, under the streets of Seattle.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

Etched into a dry lake bed, this massive directional indicator is accurate without magnets.

Thousands of turbines whir at at the origin of North American wind power.

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.

The Los Angeles flood disaster that took 400 lives and ended the career of William Mulholland.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

Come for the speed, leave in love with the desert.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

A museum dedicated to the history and art of staying clean.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Everything you always wanted to know about borates is here.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Exotic feline breeding compound and conservation center.

This impressive tunnel was dug entirely by hand over the course of 36 years.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

This old mining town, deep in the California desert, has a year-round population of one.