Hill Valley, the town where Marty and Doc live, is a place from which nobody ever moves away.

The name "Hill Valley" is itself a joke, being an oxymoron.

The town of Hill Valley is depicted as having been first settled in 1850 and incorporated in 1865.

Signs that say "Welcome to Hill Valley" are seen in 1955, 1985 and 2015.

Many family businesses are passed down from generation to generation in Hill Valley.

She and the Browns lived in a farmhouse outside Hill Valley in 1991.

First, Biff leads the riders to Hill Valley in 2015 where they chase him through town.

Now Marty must go throughout Hill Valley and figure out what has happened and try put time back to the way it was.

Marty uses the DeLorean to travel to Hill Valley of 1931.

However, as they greet each other, the town of Hill Valley disappears around them.