Gostiny Dvor
From 1761 to 1767, he pursued a number of other projects. He designed St. Petersburg's market hall, Gostiny Dvor on Nevsky Prospekt (the main street of St. Petersburg), the palaces of Kirill Razumovsky, Ivan Chernyshyov, the House of Yusupov's Moika Palace (where Grigori Rasputin was murdered), and the New Holland Arch. In 1766 he officially became the court architect.