The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A cult following celebrates the legend that belies this curious podiatrists' office sign which has worked its way into song, literature, animation, and the visual arts.

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

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

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

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

A unique attraction and museum dedicated to exploring iconic roadside structures.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.