These springs are truly an artist's palette. Admire the yellow and red bright colours created by sulphurous acid.
Wikipedia http://en.wikipedia.org/wiki/Geothermal_areas_in_Lassen_Volcanic_National_Park#Sulphur_Works_and_Little_Hot_Springs_Valley
Address 96061, United States
Coordinates 40°26'41.838" N -121°31'1.016" E