We love the magic of the movies, that trickery that lets us believe in beautiful robots, time-traveling scientists, wolf men, and flying superheroes. But sometimes it's fun to peek behind the curtain, and see the secrets and candid faces behind our favorite films.

Photos from the set of Metropolis (1927, dir: Fritz Lang), taken by brother-in-law, Horst von Harbou

(photos by General Photographic Agency/Getty Images, Hulton Archive/Getty Images and Horst von Harbou)

Star Wars: The Empire Strikes Back (1980, dir: Irvin Kershner)

http://io9.com/5654412/photos…

(via blastr, screencrush, Slightly Warped and saurabh)

Star Wars (1977, dir: George Lucas)

(via Slightly Warped)

Back To The Future I-II-III (1985, 1989 and 1990, all directed by Robert Zemeckis)

(via Nights Into Dreams, GeekTyrant)

Iron Man 2 (2010, dir: Jon Favreau)

(via Marvel Cinematic Universe Wiki)

Alien 3 (1992, dir: David Fincher)

(via cswap)

Planet of the Apes (1968, dir: Franklin J. Schaffner)

(via Chelloveck)

Superman (1978, dir: Richard Donner)

(via Capedwonder)

Godzilla (or Gojira, 1954, dir: Ishiro Honda)

(via The Sky Has Fallen and Retronaut)

Mothra vs. Godzilla (1964, dir: Ishiro Honda)

(via Retronaut)

War Of Worlds (1953, dir: Byron Haskin)

(via Las Crónicas de Tino)

Alien (1979, dir: Ridley Scott)

(via Geektyrant)

Frankenstein movies of the 1930s with Boris Karloff

(via vintag.es)

The Wolf Man and Frankenstein Meets The Wolf Man (1941/1943, dir: George Waggner/Roy William Neill)

(via Vitagraph American)

Close Encounters Of Third Kind (1977, dir: Steven Spielberg)

(via The Bearded Trio, DVDTalk and Aint It Cool)

E.T.: the Extra-Terrestrial (1982, dir: Steven Spielberg)

(via Cinema Salem and Cracked)

Blade Runner (1982, dir: Ridley Scott)

(via Douglas Trumbull)

Clockwork Orange (1971, dir:Stanley Kubrick)

(via Malcolm McDowell's Facebook, The Mathhattan and Awesome Phil)

2001: Space Odyssey (1968, dir: Stanley Kubrick)

(via A Clockwork Orange Tumblr, James Vaughan, Making Stanley Kubrick's 2001: Space Odyssey and FILMDetail)