Train debris from the deadliest avalanche in United States history can still be found in the ravine where so many perished.

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

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

Odd outsider art installations surround a Gold Rush-era ghost town.