Forts

Philippines
Idjang Savidug, Batanes	Idjang, Batanes	Intramuros Walled City, Manila
South Korea
Samnyeonsanseong Fortress	Namhansanseong Fortress	Hwaseong Fortres, Suwon
Keulap Fort, Peru
Germany and England
Welfen Castle	Donaustau Fort, Bavaria	Lindisfarne, Holy Island/England
Konigsteine Fortress, Switzerland	Liliensteine Mesa, Saxony Germany	Bastei Bridge, Saxon Germany
Note: these photos were Google searched and copied and pasted for research purposes