Yellowstone National Park - Mammoth Hot Springs Postcard

UNESCO WHS Serie - Yellowstone National Park - Mammoth Hot Springs - Yellowstone National Park is a protected area showcasing significant geological phenomena and processes. It is also a unique manifestation of geothermal forces, natural beauty, and wild ecosystems where rare and endangered species thrive. It also has the world's largest concentration of geysers (more than 300 geyers). Mammoth Hot Springs is a large complex of hot springs on a hill of travertine in Yellowstone National Park. It was created over thousands of years as hot water from the spring cooled and deposited calcium carbonate. Because of the huge amount of geothermal vents, travertine flourishes. World Heritage Sites in the USA - Name: Yellowstone National Park Country: United States of America Location: Wyoming, Montana, Idaho Site: Mammoth Hot Springs Inscription: 1978 Category: Natural (vii)(viii)(ix)(x) Unesco Ref: 28 Special Feature: The card has a QR-Code on the backside to navigate for more Informationas about the site.