1) The word "pizza" contains two vowels: I and A.

2) The word "forest" contains two vowels: O and E.

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

4) The musical "The Phantom of the Opera" has been running in London's West End since 1986, making it the longest-running musical in history.