Death Valley is unique with the tallest mountain in the contiguous US at 14,505 and the lowest at Bad Water at 282 feet below sea level. Geologically it is unique with rock formations that are Pre Cambrian to present. You can see the successive shores as it evaporated of Lake Manly "pluvial, former freshwater, endorheic, rift lake that filled the Death Valley basin of Inyo County, California through the Holocene before the area's climate changed to desert. Following its isolation from the Colorado River system, Lake Manly receded by evaporation with Badwater Basin, Middle Basin, and Cotton Ball Marsh occupying the space left behind. At its greatest extent Lake Manly was roughly 80 mi long and 600 ft deep.(
http://en.wikipedia.org/wiki/Lake_Manly)
We camped in the winter and encountered snow in the Panamint Mountains. We also got stuck in sand and had to hike out and I kid you not were picked up by a couple of prospectors (they were professors at one of the colleges, but prospecting). I have a picture of one of the burrows with our Baja Bug on our third trip.

I loved that Old Bug it had the bus reduction gears and stock RPM with 32" tires and it would climb walls. But it broke alot!