Like lingerie, hairstyles, and fashion, you can tell an era by its design. The same applies for magazine covers, and here's an interesting look at how much they've changed from back then to now. Check out the gallery below:

1. Sports Illustrated Swimsuit Edition: 1960s to 2010s

2. Cosmopolitan: 1930s to 2010s

3. National Enquirer: 1960s to 2010s

4. Game Informer: 1990s to 2010s

5. GQ: 1960s to 2010s

6. National Geographic: 1890s to 2010s

7. Vogue: 1950s to 2010s

8. The New Yorker: 1920s to 2015s

9. Maxim: 1990s to 2010s

10. People: 1970s to 2010s

11. Playboy: 1950s to 2010s

12. Sports Illustrated: 1950s to 2010s

13. TIME: 1920s to 2010s

14. Vanity Fair: 1910s to 2010s

15. Hustler: 1970s to 2010s