1) The most-watched TV series finale in the United States was "MAS*H," with an estimated 105 million viewers.

2) The world's tallest waterfall is Angel Falls in Venezuela, with a height of about 3,212 feet (979 meters).

3) The windshield wipers were invented by a woman named Mary Anderson in 1903.

4) The Machu Picchu archaeological site, located in Peru, is an ancient Incan citadel situated high in the Andes Mountains. It is recognized as a UNESCO World Heritage site and attracts visitors from around the world who come to marvel at its remarkable architecture and scenic surroundings.