Mercer County, Illinois

Commercial House (Commercial building)   [Map]
4th and Main St., Keithsburg, Illinois
Also known as: Henderson House
Downtown Aledo Historic District (District)   [Map · Street View]
100-200 blks. N. College, 100, 200, 300 blks. S. College, 100 blk. NW. 2nd, 200 blk. SW. 2nd Aves., Aledo, Illinois
Gideon Ives House (House)   [Map]
408 E. Jefferson St., New Boston, Illinois
James S. Thompson House (House)   [Map]
804 North St., New Boston, Illinois
Keithsburg Historic District (District)   [Map]
Roughly bounded by Jackson, Fifth, Washington, and Third Sts., Keithsburg, Illinois
Levi Willits House (House)   [Map]
202 Main St., New Boston, Illinois
Also known as: New Boston Museum
Lock and Dam No. 17 Historic District (District)
173 Lock and Dam Rd., New Boston, Illinois
Martin, Illinois (Placename)   [Map]

Mercer County Courthouse (Courthouse)   [Map]
SE 3rd St. (IL 17), Aledo, Illinois
Mercer County Fairgrounds (Meeting hall)   [Map]
12th Ave., SW., .5 mi. S of jct. with IL 17, Aledo, Illinois
Also known as: Mercer County Agricultural Board Fairgrounds
Mercer County Jail (Hotel)   [Map]
309 S. College Ave., Aledo, Illinois
Also known as: The Slammer Restaurant, The Great Escape Bed and Breakfast
Preemption, Illinois (Populated place)   [Map]

Sherrard Banking Company (Bank)   [Map]
314 Third St., Sherrard, Illinois