I am surprised no one has mentioned this work before in this forum.
It is one of the orchestral masterpieces of the 20th century, scored for a really massive orchestra
I actually saw a performance conducted by Esa-Pekka Salonen here, about a month ago, and it was absolutely stunning. Apart from one trombonist where he played one bar before he should have (and it was supposed to be totally silent...

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Anyway, here's a link to the 5th movement, which is enjoyable, and you can also find links to other movements on youtube, if you look them up (the 2nd, 6th and 8th movements are amazing

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YouTube - Messiaen - Turangalīla Symphonie - 5th Movt - Aimard, Davis