UN VIENNA

This cover from United Nations (Vienna Office) depicts 4 stamps of the same type, celebrating the Yellowstone National Park, an American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872. Yellowstone was the first national park in the U.S. and is also widely held to be the first national park in the world. The park is known for its wildlife and its many geothermal features, especially the Old Faithful geyser, one of its most popular. While it represents many types of biomes, the subalpine forest is the most abundant. It is part of the South Central Rockies forests ecoregion. Yellowstone National Park is inscribed as a World Heritage Site by UNESCO since 1978.

UNITED NATIONS (VIENNA OFFICE)

An amazing cover from United Nations (Office of Vienna) with a complete set celebrating 6 UNESCO World Heritage National Parks in the USA: Yosemite, Olympic, Great Smoky Mountains, Everglades, Hawai Volcanoes and Yellowstone.

UNITED STATES OF AMERICA

This cover from USA depicts 3 stamps, including the stamp on the right corner, celebrating the Yellowstone National Park, an American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872. Yellowstone was the first national park in the U.S. and is also widely held to be the first national park in the world. The park is known for its wildlife and its many geothermal features, especially the Old Faithful geyser, one of its most popular. While it represents many types of biomes, the subalpine forest is the most abundant. It is part of the South Central Rockies forests ecoregion. Yellowstone National Park is inscribed as a World Heritage Site by UNESCO since 1978.