Horn-Bad Meinberg is the location of the Externsteine, a rock formation consisting of several tall, narrow columns.

Between the districts Horn and Holzhausen-Externsteine is the most famous natural monument of the Teutoburg Forest, the Externsteine, nearby springs the Wiembecke.

Southwest still meets the Kreis Paderborn with the communities Altenbeken and Bad Lippspringe on the border with the municipality Horn-Bad Meinberg.

The merger of the city of Horn and the municipalities Bad Meinberg, Belle, Bellenberg, Billerbeck, Fromhausen, Heesten, Holzhausen-Externsteine, Leopoldstal, Schmedissen, Vahlhausen at Horn, Veldrom and Wehren and Kempenfeldrom and the integration of parts of the municipalities Oberschönenbuch Hagen (Fissenknick) and Schönemark (Wilberg) formed the newly Horn-Bad Meinberg"[4] The oldest known written mention of Horn shows that the foundation of the city was in 1248.

1761 the town resisted in the Seven Years' War the siege of the French troops commanded by the princes of Beauvau.