Land Between the Lakes National Recreation Area
Recreation area and former biosphere reserve (1991-2017) in the United States of America.
Each edition grades its towns against each other only.

With nothing inside Karnak, the list has 6 places within 40 miles. Among them are 2 ancient sites, 2 museums and a national forest. Further afield lies Land Between the Lakes National Recreation Area, at 58 mi.

United States National Forest located in Southern Illinois.
The towns around it, and where to stay →
The map stretches to Garden of the Gods Wilderness, 39 mi away.
Orange: Karnak. Numbers: the best-known places, matching the list below. © OpenStreetMap contributors
All of it lies within 60 miles: 9 places.
Recreation area and former biosphere reserve (1991-2017) in the United States of America.
United States National Forest located in Southern Illinois.
Park and former military fortification in Cairo, Illinois, United States.
Ranked by how many people look them up, so the famous places lead and the local favorites follow.
Parks and trails in Karnak → · Karnak’s history →
Land Between the Lakes National Recreation Area: http://www.terraprints.com, CC BY 2.5 · Shawnee National Forest: Daniel Schwen, CC BY-SA 4.0 · Garden of the Gods Wilderness: Daniel Schwen, CC BY-SA 4.0 · Kincaid Mounds State Historic Site: Herb Roe, CC BY-SA 4.0 · Cave-in-Rock State Park: Daniel Schwen, CC BY-SA 4.0 · Magnolia Manor: MuZemike, CC BY-SA 3.0 · Columbus-Belmont State Park: Knowledgeum at en.wikipedia, Public domain