What do you think about time machines? Is it a real thing or an imaginary concept? Well, before you say anything, we want to show you 15 pictures that will make you think that time machines actually exist. 

The lookalikes from different eras will make you question the entire concept of time traveling. 

1. Michael Jackson

2. Nicolas Cage

3. Sylvester Stallone

4. Keanu Reeves

5. Queen Latifah

6. Brad Pitt

7. Tommy Lee Jones

8. Alec Baldwin

9. Robin Williams

10. Rupert Grint

11. Tom Hiddleston

12. Johnny Depp

13. Jason Segel

14. Peter Dinklage

15. Steve Martin