Effigy Mounds National Monument
National monument of prehistoric mounds built by Native Americans, in Iowa, United States.
Each edition grades its towns against each other only.

With nothing inside Calmar, the list has 6 places within 40 miles. Look for 4 museums, a national monument and an attraction. Roughly 57K visitors a year make it to Effigy Mounds National Monument. The trip to Lost Island Theme Park is 56 mi.

National monument of prehistoric mounds built by Native Americans, in Iowa, United States.
The towns around it, and where to stay →
At 38 mi, Fort Crawford is the farthest one out.
Orange: Calmar. Numbers: the best-known places, matching the list below. © OpenStreetMap contributors
Nothing is inside Calmar itself; these 11 are within 60 miles.
National monument of prehistoric mounds built by Native Americans, in Iowa, United States.
19th century military outpost of the United States Army located in Prairie du Chien, Wisconsin.
Place in Iowa listed on National Register of Historic Places.
Park in La Crosse County, Wisconsin, United States of America.
Arboretum & botanic gardens in Waterloo, Iowa, United States.
Place in Iowa listed on National Register of Historic Places.
Ranked by how many people look them up, so the famous places lead and the local favorites follow.
Effigy Mounds National Monument: National Park Service, Public domain · Fort Crawford: Jonathunder, CC BY-SA 3.0 · Cedar Rock State Park: Orange Suede Sofa, CC BY-SA 3.0 · Vesterheim Norwegian-American Museum: Jonathunder, CC BY-SA 3.0 · Bily Clock Museum: Jonathunder, GFDL 1.2 · Riverside Park: Wikideas1, CC0 · Cedar Falls Ice House: RifeIdeas, CC BY-SA 3.0 · Cedar Valley Arboretum & Botanic Gardens: Cedarvalleyarboretum, CC BY-SA 3.0 · Burr Oak House/Masters Hotel: Jonathunder, CC BY-SA 3.0 · Preston Overlook: Jonathunder, CC BY-SA 3.0