Yellowstone National Park became a world heritage site on September 8, 1978.
Sagarmatha National Park was declared a World Heritage Site in 1979.
Grand Canyon National Park became a World Heritage Site in 1979.
Wood Buffalo National Park became a world heritage site in June 2010.
Established in 1872, Yellowstone National Park in Wyoming is the world's first National Park.
There is approxomately 60% of the world's geysers in Yellowstone National Park.
Yellowstone national park
1973 and world heritage site in 1987
The U.S. Government requested that UNESCO grant this designation to Yellowstone NP, and UNESCO agreed to do so in 1978. Later designations include Grand Canyon in 1979 and Yosemite in 1984; all at the request of the U.S.
Yosemite was designated a UNESCO World Heritage Site in 1984. On the other hand, it was designated as a national park in 1890.
Yellowstone National Park
Yellowstone Which is in Wyoming
The United States has 23 world heritage sites including the Statue of Liberty, Everglades, Carlsbad Caverns, and Yellowstone.