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

2) The world's first credit card was introduced in 1950 by Diners Club.

3) The largest living structure on Earth is the Great Barrier Reef, spanning over 2,300 kilometers (1,400 miles) along the coast of Australia.

4) The lotus flower is considered a sacred symbol in many cultures and is associated with purity, enlightenment, and rebirth.