I recommend the National Atomic Testing Museum, which isn't as random as it seems to be located in Vegas. Vegas is near where the above-ground nuclear tests used to be held, and as various pictures in the museum attest, people could see the mushroom clouds from Vegas hotels.
There's a fun book called We Swam the Grand Canyon. Near the beginning of the book, the author writes about how they were sleeping in a tent the night before they started out and then were awaked by the light, sound, and ground motion of an atomic explosion.