Tucked away in Southern California's San Gabriel Mountains, the Mount Lowe Railway was an internationally renowned tourist destination, serving nearly four million passengers between 1893 and 1936. Few riders of "The Railway to the Clouds" are around to relate their experiences now, but postcards and photographs remarkably reflect the history of this amazing attraction. Virtually nothing of the once-famous landmark remains on the mountain today, except a few timeworn foundations and part of the original right-of-way, which has become a hiking trail into the Angeles National Forest.