Sand Creek Massacre National Historic Site
Place in Colorado listed on National Register of Historic Places.
Each edition grades its towns against each other only.

A day out from Granada leads to Fort Lyon, 45 mi away. Nothing on our list is inside Granada; the 2 places to visit are within 40 miles. Amache National Historic Site sees about 8K visitors a year.

National Historic Site of the United States in Colorado.
The towns around it, and where to stay →
Out at 33 mi is Sand Creek Massacre National Historic Site, the farthest.
Orange: Granada. Numbers: the best-known places, matching the list below. © OpenStreetMap contributors
Everything here is within 60 miles, 3 places in all.
Place in Colorado listed on National Register of Historic Places.
National Historic Site of the United States in Colorado.
Ranked by how many people look them up, so the famous places lead and the local favorites follow.
Sand Creek Massacre National Historic Site: Plazak at English Wikipedia, CC BY-SA 3.0 · Amache National Historic Site: Tom Parker, Public domain · Fort Lyon: Jeffrey Beall, CC BY 3.0