1.) I HAVE THE TOWER! When Gustave Eiffel first proposed his design for a massive, towering steel structure in the heart of Paris, many thought he had lost his mind. Critics sneered that it was an eyesore, while others feared that it wouldn’t even be able to stand upright. But Eiffel persisted, and 1889, his tower was opened to the public. Today, it is an iconic symbol of the city of love—and a testament to the power of bold ideas.