This is the Last Clamshell Shell Oil Gas Station

Also Labeled on Google as: Shell-Shaped Shell Station (Historic Landmark)

Located: 1111 E Sprague St, Winston-Salem, NC 27107

Google+ Code: 3Q9P+38 Winston-Salem, North Carolina

Alternate Google+ Code: 3Q9P+39 Winston-Salem, North Carolina

Cost: Free $0

Seen on Atlas Obscura.