This city is home to St. Isaac's Cathedral, and the "White Nights" occur here. A fortress in this city has the same names as two men assassinated here, one of whom was supposedly murdered by the lover of Count Orlov. This city, home to the Peter and Paul Fortress, was built on land conquered from Sweden. Granite embankments surround the river Neva 
This city is home to St. Isaac's Cathedral, and the "White Nights" occur here. A fortress in this city has the same names as two men assassinated here, one of whom was supposedly murdered by the lover of Count Orlov. This city, home to the Peter and Paul Fortress, was built on land conquered from Sweden. Granite embankments surround the river Neva in this city, which is known for causing disastrous floods. Home to the Smolny Institute and the Winter Palace, For 10 points, name this former capital of the Russian Empire founded by Peter the Great.
This city is home to St. Isaac's Cathedral, and the "White Nights" occur here.
Saint Petersburg [accept Sankt-Peterburg]