Inside Yellowstone - Apollinaris Spring
Apollinaris Spring through the Years - Yellowstone Science - Official Park Website
Mineral Waters of the World - Apollinaris, Germany
Did You Know?
Even though the animals of Yellowstone seem tame they are still wild. Feeding the animals is not permitted in any way, and all visitors must keep 100 yards away from wolves and bears, and 25 yards from other animals.