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

2) The universe is estimated to be around 13.8 billion years old.

3) The film "Gone with the Wind" won eight Academy Awards, including Best Picture, and remains one of the highest-grossing films of all time when adjusted for inflation.

4) The Sydney Opera House, situated in Sydney, Australia, is an iconic architectural masterpiece and a UNESCO World Heritage site. Its unique design, resembling sailboats or shells, has made it one of the most recognized and photographed landmarks in the world.