In 1954, Ernest Hemingway and his wife Mary Welsh had a disastrous trip that resulted in two plane crashes. Fortunately, they survived without any harm.
The university first opened its doors to students in 1096, while the Aztec Empire is said to have originated in the city of Tenochtitlán (present-day Mexico City) in 1325.
Biologist Alexander Fleming noticed mold on his petri dish when he forgot to clean it properly and thought it prevented the growth of bacteria. He understood that mold had antibacterial properties, thus the discovery of penicillin.
Known for its four-degree lean, the Italian tower was constructed in the 12th century. When construction on the second story started, the tower started to lean, due to the unstable ground.