Omaha, United States of America
The West Maple Omaha Rock (nicknamed Rocko, also referred to as the west Omaha rock "Omarock" and other similar names) is a boulder located in a parking lot at the corner of West Maple Road and North 156th Street in north-western Omaha, Nebraska, in the United States.
Listen to the audio guide for West Omaha Rock Free on WIP — starts by itself when you arrive, even with the screen off