Deserts in San Bernardino County

An improbable set of attractive limestone caverns forms the centerpiece of Providence Mountains State Recreation Area, in the heart of the Mojave Desert.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

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

This sun-scorched lakebed contains samples of half the natural elements known to humankind.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

The most isolated mailbox in America lets desert travelers record their passing.