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

2) The ancient city of Rome was founded in 753 BC and went on to become one of the most powerful and influential civilizations in history.

3) The Eiffel Tower can be 15 cm taller during the summer due to thermal expansion.

4) Honey never spoils. Archaeologists have found pots of honey in ancient Egyptian tombs that are over 3,000 years old and still perfectly edible.