This was a fun place to see, although we did not buy anything.

Wall Drug is the principal industry in the town of Wall. It's a sprawling tourist mall that occupies most of downtown and employs nearly a third of its population. Over a million people stop at Wall Drug every year -- 20,000 on a good summer day. Hundreds of billboards line the east-west approaches along Interstate 90 in South Dakota, tantalizing travelers with offers of five cent coffee and free ice water!

Population of Wall, SD is 818.