
29 mi from Mendon Township, Mark Twain Cave leads the list
With nothing inside Mendon Township, the list has 6 places within 40 miles. Among them are 4 museums, a cave and a national historic site. Make a day of it at Crapo Park, 48 mi away.

Carthage Jail
Museum in Carthage, Illinois, United States.
The towns around it, and where to stay →
The lie of the land
New Philadelphia National Historic Site, 33 mi away, is the farthest on the map.
Orange: Mendon Township. Numbers: the best-known places, matching the list below. © OpenStreetMap contributors
Every one of them
7 places make the list, every one within 60 miles.
New Philadelphia National Historic Site
Place in Illinois on the National Register of Historic Places.
Ranked by how many people look them up, so the famous places lead and the local favorites follow.
Parks and trails in Mendon Township → · Mendon Township’s history →
Photo credits
Mark Twain Cave: Jonathunder, GFDL 1.2 · Carthage Jail: Nyttend, Public domain · Mark Twain Boyhood Home & Museum: Jonathunder, GFDL 1.2 · Nauvoo House: Jake from Utah, United States, CC BY-SA 2.0 · New Philadelphia National Historic Site: Nyttend, Public domain · Crapo Park: Ian Poellet, CC BY-SA 3.0 · John Wood Mansion: Smallbones, Public domain
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