Tourism and farming drive the local economy. The Tip of The Thumb Heritage Water Trail is a nonprofit citizens organization working with the Huron County Parks to establish and maintain a water trail along Michigan's Lake Huron's shoreline. Unique to the Thumb Many of the residents commute for work to Metro Detroit, Flint or the Tri-Cities. Incorporated cities with 2,000+ population in the Thumb area are Port Huron, Marysville, Lapeer, St. Clair, Marine City, Algonac, Caro, Imlay City, Bad Axe, Vassar, Sandusky and Croswell. The majority of these cities are in the southern portion of the Thumb. Unique features in the area include the following: Algonac, known as the Venice of Michigan because of its many canals. Bad Axe was named after a broken axe found lodged in the knot of a tree at the clearing of the settlement's chief crossroads. Bay Port, is the world's largest freshwater fishing port. Harbor Beach is the home of the largest man-made harbor and the Harbor Beach Light. Harvest Wind Farm, an electrical generation project of Exelon Wind and Wolverine Power Supply Cooperative. Harvest II is scheduled for completion in December 2012. Huron County Nature Center includes a wilderness arboretum that has been under the care of the Huron County Women's Clubs for more than 50 years. Kernan Memorial Nature Sanctuary is a refuge with of shoreline acquired October 30, 1989 on Lake Huron, in Huron County. On the western coast of Whiskey Harbor, this area is a great place to see migratory birds in early March and November. Kinde was once the bean capital of the world. Michigan Bean soup has been a staple for over a hundred years in the U.S. Senate dining room (Senate bean soup). Pigeon is the home of the Cooperative Elevator Company, one of the largest grain elevators in the state. Port Huron is the maritime capital of the Great Lakes, where Lake Huron flows into the St. Clair River. This is the largest city in the Thumb area. It was the boyhood home of Thomas Edison. The Sanilac Petroglyphs were discovered after massive fires swept the Lower Peninsula in 1881. Native Americans created this unusual artwork 300 to 1,000 years ago. The petroglyphs provide a glimpse into the lives of an ancient woodland people who occupied Michigan's Thumb area. Sebewaing is the sugar beet capital of the world, and home to one of the four Michigan