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

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The ghost town that ended up on Ebay.

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

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

The ghostly remains of an accidental sea.

Towering basalt columns, a creation of fire and ice.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A Saint Nicholas-themed ghost town in the Mojave desert.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

A tribute to the statues of Easter Island along Route 66.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

This memorial pyramid marker honors one of the United States Government's first official camel riders.

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

Stairs often replace streets on the steep slopes of this old mining town.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

The first permanent memorial to a unique secret weapon of World War II.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.