The USA's Favorite World Heritage Sites

Mammoth Cave National Park is a park in south-central Kentucky,  Mammoth Cave, the longest cave system known in the world.

Everglades National Park is an American national park that protects the southern twenty percent of the original Everglades in Florida.

Yellowstone National Park is a nearly 3,500-sq.-mile wilderness recreation area atop a volcanic hot spot.

Grand Canyon National Park, in Arizona, is home to much of the immense Grand Canyon, with its layered bands of red rock revealing millions of years of geological history.

Independence Hall is a historic civic building in Philadelphia

Yosemite National Park is in California’s Sierra Nevada mountains.