1) The Grand Canyon, located in Arizona, United States, is a massive and awe-inspiring natural formation carved by the Colorado River. It is approximately 446 kilometers (277 miles) long, up to 29 kilometers (18 miles) wide, and reaches a depth of over 1.8 kilometers (1.1 miles).

2) The Amazon rainforest produces more than 20% of the world's oxygen.

3) The first car with air conditioning was released in 1939.

4) The shortest verse in the Bible is "Jesus wept" (John 11:35).