Fort Prinzenstein

Osu Castle, also known as Fort Christiansborg or simply the Castle,

The Ancien Pont Bridge is a bridge in Cotonou, Benin.

アコソンボダム（Akosombo Dam）は、ヴォルタ川をせき止

The Independence Square of Accra, Ghana, inscribed with the words

アタコラ山脈（Atakora Mountains）、また

The Alba Carolina Citadel (Romanian: Cetatea Alba Carolina) is a

Fort Copacabana (Portuguese: Forte de Copacabana, IPA: ]) is a

Kilitbahir Castle (Turkish: Kilitbahir Kalesi) is a fortress on the

Castillo de Alcalá la Real (or Fortaleza de La Mota) is a castle in