🏰 Architecture

San Felipe Castle · Spanish Colonial Fortress — Massive stone fortification in Cartagena

The Castillo de San Felipe is a large stone fortress located in Cartagena, Colombia. Built during the Spanish colonial era, it served to defend the city against pirates and invading forces. The fortress is renowned for its sloped walls and intricate underground tunnels.

Saint Basil's Cathedral · Symbol of Red Square — Iconic Russian Orthodox church

Saint Basil's Cathedral stands on Moscow's Red Square as one of the most recognizable symbols of Russia. Known for its colorful onion domes and unique architectural style, it was constructed in the 16th century by order of Ivan the Terrible. The cathedral exemplifies the fusion of Russian and Eastern influences.

Frankfurt Palace · European Architecture — Historic Palace of Germany

Frankfurt Palace is a representative architectural landmark located in Frankfurt, Germany. Expanded and renovated over the medieval and early modern periods, the palace served as a political center of the city.