Complex sentence: Adlerhorst (Eagle's eyrie) was a World War II bunker complex in Germany, located within Kransberg Castle (incorporated into Usingen in 1971), Wetterau in the Taunus mountains in the province of Hesse.
Split into simpler sentences: Adlerhorst (Eagle's eyrie) was a World War II bunker complex in Germany. It is located within Kransberg Castle (incorporated into Usingen in 1971), Wetterau in the Taunus mountains in the province of Hesse.