Mammoth Cave National Park
U.S. national park in Kentucky.
Each edition grades its towns against each other only.

Mammoth Cave National Park sees about 661K visitors a year. Our list finds nothing inside McHenry, but 7 places within 40 miles. Among them are 3 museums, a national park and a cave. Beyond the town, the best known is USS LST-325, 55 mi off.

U.S. national park in Kentucky.
The towns around it, and where to stay →
Out of town, most of the 7 are to the southeast.
Orange: McHenry. Numbers: the best-known places, matching the list below. © OpenStreetMap contributors
The list runs to 20 places, all within 60 miles.
U.S. national park in Kentucky.
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.
Monument at Davis's birthplace in northern Kentucky.
United States historic place in Spencer County, Indiana.
Museum in Evansville, Indiana.
Military history museum in Building on Tennessee Avenue at Fort Campbell, Kentucky.
Former railway station in Bowling Green, Kentucky.
Church building in Kentucky, United States of America.
Botanical garden in Owensboro, Kentucky.
Research farm and botanical garden in Princeton, Kentucky.
Ranked by how many people look them up, so the famous places lead and the local favorites follow.
Parks and trails in McHenry → · McHenry’s history →
Mammoth Cave National Park: Willis Thomas Lee, Public domain · USS LST-325: Wikideas1, CC0 · Holiday World & Splashin' Safari: Holiday World & Splashin' Safari, Public domain · Bell Witch Cave: Www78, CC BY-SA 3.0 · Angel Mounds: Heironymous Rowe (talk), CC BY-SA 3.0 · National Corvette Museum: Jonrev at English Wikipedia, Public domain · Jefferson Davis State Historic Site: Bbadgett, CC BY-SA 3.0 · Ford Center: Nyttend, Public domain · Lincoln Boyhood National Memorial: Rene Sturgell, CC BY-SA 3.0 · Lost River Cave: Nyttend, Public domain · Beech Bend Park: Acdixon, CC0 · 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 · The Historic Railpark and Train Museum: Bedford at en.wikipedia, Public domain · South Union Shaker Center House and Preservatory: E.R. Pearson, Public domain · Western Kentucky Botanical Garden: Steve Ryan from Groveland, California, United States, CC BY-SA 2.0 · University of Kentucky Research and Education Center Botanical Garden: Dlove4000, CC BY-SA 3.0