20 Things You Didn't Know About Interstellar
17. Mann's Planet Was Filmed On The Same Glacier As Batman Begins
In the second half of the movie, Cooper's crew pays a disastrous visit to Mann's planet, an icy wasteland that turns out to be uninhabitable.
These scenes were filmed on the Svínafellsjökull glacier (try saying that ten times, or hell, even one time) in Iceland, a location that has a special connection to one of Nolan's earlier works.
That work is 2005's Batman Begins, which features several scenes - such as the sword fight between Liam Neeson's Ducard and Christian Bale's Bruce Wayne - filmed at this exact same glacier.
Basically, if you long for somewhere cold and barren, why not visit Iceland?