USS LST-325
1942 LST-1-class tank landing ship, later converted to a museum ship.
Each edition grades its towns against each other only.

Lincoln Boyhood National Memorial draws about 116K visitors a year. All of it lies outside: 12 places within 40 miles, none inside Johnson Township. On the list: 5 museums, a theme park and an ancient site, among others. Further afield lies Garden of the Gods Wilderness, at 60 mi.

1942 LST-1-class tank landing ship, later converted to a museum ship.
The towns around it, and where to stay →
Head to the south for most of the 12 on the list.
Orange: Johnson Township. Numbers: the best-known places, matching the list below. © OpenStreetMap contributors
Each of the 15 is within 60 miles.
1942 LST-1-class tank landing ship, later converted to a museum ship.
Indiana, a Native American complex of earthworks and a National Historic Landmark.
United States historic place in Spencer County, Indiana.
National Historical Park of the United States in Indiana.
Museum in Evansville, Indiana.
Botanical garden in Owensboro, Kentucky.
Ranked by how many people look them up, so the famous places lead and the local favorites follow.
Parks and trails in Johnson Township → · Johnson Township’s history →
USS LST-325: Wikideas1, CC0 · Holiday World & Splashin' Safari: Holiday World & Splashin' Safari, Public domain · Angel Mounds: Heironymous Rowe (talk), CC BY-SA 3.0 · Ford Center: Nyttend, Public domain · Garden of the Gods Wilderness: Daniel Schwen, CC BY-SA 4.0 · Lincoln Boyhood National Memorial: Rene Sturgell, CC BY-SA 3.0 · Cave-in-Rock State Park: Daniel Schwen, CC BY-SA 4.0 · George Rogers Clark National Historical Park: The original uploader was Agentmoose at English Wikipedia. on 2006-07-08., CC BY-SA 2.5 · Mesker Park Zoo and Botanic Garden: Randella (talk), CC BY 3.0 · Reitz Home Museum: Nyttend, Public domain · Evansville Museum of Arts, History and Science: Nyttend, Public domain · Indiana Territorial Capitol: Nyttend, Public domain · Western Kentucky Botanical Garden: Steve Ryan from Groveland, California, United States, CC BY-SA 2.0