What are some well-known locations that include a human body part in their names? ~

There's a town  in Burgundy France named Anus.

Hilton Head Island

Big Ass Lake Nova Scotia Canada. 

There's a dangerous bend in the road out of Adelaide called The Devil's Elbow.

And there's a stream south of Sydney called Three Legs of Man Creek which was named for the flag of the Isle of Man. 

This post was edited by Benedict Arnold at January 26, 2017 7:18 AM MST

There's a town in Pennsylvania named Bird-In-Hand, which is in Upper Leacock Township.

There's a campground in Shenandoah National Park called Matthew's Arm.