Little Bighorn Battlefield National Monument
American National Monument.
Each edition grades its towns against each other only.

No place to visit is mapped inside Custer; 3 are within 40 miles. Among them are 2 parks & preserves and a national monument. Little Bighorn Battlefield National Monument welcomes about 42K visitors a year. Go 48 mi out for Bighorn Canyon National Recreation Area.

American National Monument.
The towns around it, and where to stay →
Furthest out is Little Bighorn Battlefield National Monument, at 39 mi.
Orange: Custer. Numbers: the best-known places, matching the list below. © OpenStreetMap contributors
You will find all 7 within 60 miles.
American National Monument.
Route across the United States commemorating the Lewis and Clark Expedition.
National Recreation Rrea in Montana and Wyoming in the United States.
Ranked by how many people look them up, so the famous places lead and the local favorites follow.
Little Bighorn Battlefield National Monument: 1025wil, CC BY-SA 3.0 · Lewis and Clark National Historic Trail: United States Army Center of Military History, Public domain · Pompeys Pillar National Monument: BLM photo, Public domain · Bighorn Canyon National Recreation Area: National Park Service, Bighorn Canyon National Recreation Area, Public domain · ZooMontana: Montanabw, CC BY-SA 3.0 · Yellowstone Art Museum: Clyde Charles Brown, CC BY-SA 4.0 · Western Heritage Center: Unknown authorUnknown author, Public domain