1) The word "elephant" contains three vowels: E, A, and E.

2) The world's oldest tree is believed to be a bristlecone pine named "Methuselah" in California, estimated to be over 4,800 years old.

3) The largest insurance market in the world is Lloyd's of London, which is not an insurance company but a market where insurance brokers and underwriters come together.

4) The highest-grossing concert tour of all time is U2's "360° Tour," which earned over $735 million in ticket sales.