Wrangell-St. Elias National Park in Alaska is the largest national park in the US with over 13 million acres, a UNESCO World Heritage Site since 1979.
USA
Monticello Thomas Jefferson: Monticello and the University of Virginia in Charlottesville were added to the list of World Heritage Sites by UNESCO in 1987.
The 20th-Century Architecture of Frank Lloyd Wright is a group of eight buildings across the United States that are all UNESCO World Heritage Sites.
Waterton Glacier International Peace Park, includes Waterton Lakes National Park in Canada and Glacier National Park in the US, are UNESCO World Heritage Sites.
La Fortaleza and San Juan National Historic Site in Puerto Rico, USA, were designated as UNESCO World Heritage Sites in 1983.
Papahanaumokuakea Marine National Monument in Honolulu, USA, has been a UNESCO World Heritage Site since 2010. It's 250 km from Hawaii's main islands.
Poverty Point National Monument of the Lower Mississippi Valley, located in northeastern Louisiana, U.S., was a UNESCO World Heritage Site from 2014 onwards.
Glacier Bay National Park and Preserve on the Gulf of Alaska, a huge natural region in southeastern Alaska, was a UNESCO World Heritage Site from 1992.
Hawaii Volcanoes National Park is an area along the southeastern shore of the island of Hawaii, U.S., a UNESCO World Heritage Site since 1987.
The Great Smoky Mountains, or Tennessee Mountains or Smoky Mountains, in eastern Tennessee and western North Carolina, U.S., were a UNESCO World Heritage Site from 1983 onwards.
Carlsbad Caverns National Park in New Mexico, a part of the Chihuahuan Desert in the United States, became a UNESCO World Heritage Site in 1995.
The redwood forests of Redwood National Park run alongside the Pacific Ocean north of San Francisco, USA, and were a UNESCO World Heritage Site from 1980 onwards