Spiral staircase. Mahabat Maqbara, India.
Marienburg Castle is a Gothic revival castle in Lower Saxony, Germany
Osaka Castle, Osaka, Japan
there is a stash of really great medieval/armorial/fantasy pins on "romance the world." at this point it's fairly deep in the board. Unfortunately a multi player board where they pile on different themes every day, making it harder to find.
Castle Island, Dublin
Neuschwanstein Castle, Germany.
San Marino Castle, Italy
Neuschwanstein - Cinderella's Castle
✯ Dragon Castle, Schloss Drachenburg, Germany