1) The unicorn is the national animal of Scotland.

2) Mount Everest, located in the Himalayas, is the highest mountain on Earth, reaching a peak elevation of 29,032 feet (8,848 meters).

3) Johnny Depp is an American actor and producer known for his unique and versatile performances in films such as the "Pirates of the Caribbean" series, "Edward Scissorhands," and "Sweeney Todd: The Demon Barber of Fleet Street." He has received multiple accolades for his work.

4) The first photograph of a black hole was captured in 2019 using a network of telescopes around the world.