Some fascinating USA Geography Superlatives:
• Highest mountain of the USA: Mount Denali, formerly called Mount McKinley, is 6,190 m/ 20,310 ft high and located in Alaska. Mount Denali, formerly called  freshwater lakeDeath ValleywaterfallsIndependence DayMount McKinleyriver
• Longest  riverwaterfallsfreshwater lakeDeath ValleyMount McKinleyIndependence Day of the USA: Missouri River with 3,767 km/ 2,341 miles. The Missouri River flows through seven states of the USA: Montana, North Dakota, South Dakota, Nebraska, Iowa, Kansas and Missouri. Together with the Mississippi River, it forms one of the largest river systems in the world.
• Hottest place in the USA:  freshwater lakeMount McKinleyDeath ValleywaterfallsIndependence Dayriver . The Death Valley's Badwater Basin is also the lowest point on the North American continent with an elevation of 86 m/ 282 ft.
• Largest lake of the USA: Lake Superior, which is shared by Canada (to the north) and the United States (to the east, south and west). Lake Superior is also considered the largest  waterfallsDeath ValleyIndependence Dayfreshwater lakeMount McKinleyriver by area in the world.
• Highest  Independence DayDeath Valleyfreshwater lakeriverwaterfallsMount McKinley in the USA: The Colonial Creek Falls in Washington State with a hight of 783 m/ 2,568 ft. are the highest waterfalls in continental USA. However, the Oloupena Falls in Hawaii are unofficially named North America's highest waterfalls with a drop of 900 m/ 2,952 ft.
The national holiday of the United States of America is called  Death ValleyIndependence Dayfreshwater lakeMount McKinleywaterfallsriver and is celebrated on 4 July and is commonly referred to as Fourth of July. This holiday commemorates the Declaration of Independence in 1776 and is celebrated as a federal holiday since 1941. Read more here.