San Gimignano, Siena, Italy - I really like the color and texture of this door. Oddly enough though, it reminds me of the little yellow minions...
door in Istanbul, Turkey by Semih Emiroğlu on 500px
use reclaimed castle double doors not as the exterior front door, but as a second set of interior doors.
Old, weathered and gorgeous
Sprezzatura-Eleganza | mepfoundation: Amazing doors of Morocco
Love these Black Gates.
medieval: South portal c. 1140 Stone Church of St Mary and St David, Kilpeck
Green Bohemian Door in Honfleur, Normandy, France