Our list will be useful to those who are going to visit this beautiful city and do not know where to start. I schedule by day. We used a free audio guide for excursions, because we tried to visit everything as budget as possible.
First day. Walking route:
View in the carousel one photo from each moment
— Kazan Cathedral
— We looked at the Singer’s house from the outside
— The Triumphal Arch
— Alexander Column
— The Winter Palace (Hermitage) from the outside and visited the museum itself
— Atlanta
— The Admiralty from the outside — St. Isaac’s Cathedral (we walked around the outside, inside and
climbed the colonnade
) 
with a crow on Peter’s head)
— Anichkov bridge
— Museum of old computers Yandex
⠀ 
day. Walking tour:
— Flood levels on the Moika River
— Senate and Synod buildings outside
— The Bronze Horseman again, but in good weather
— Neva Embankment
— Annunciation Bridge
— Sphinxes
— Universitetskaya embankment and buildings on it
— Monument book
— St. Petersburg State University
— Zoological Museum
— ITMO
— Museum of Optics
— Rostral columns and the spit of Vasilevsky Island
— Walk to the Peter and Paul Fortress without museums
— Cathedral Mosque from the outside
— At night, the opening of the Palace Bridge
is daytime 
.
— Grand layout «Russia»
— Lego Museum
— Cruiser «Aurora»
⠀ 
day. City of Vyborg:
— Rooks
— Vyborg Castle (outside and museum inside)
— Annensky fortifications
— Mon Repos Park
— Old Town Hall Square
— Old Cathedral
— Clock Tower
— Church of St. Hyacinth
— Round Tower (outside and looked inside)
— The oldest residential building in Russia
— Walked along the streets of the city past the port
— Hermitage Vyborg outside
⠀ 
day. Walk around St. Petersburg:
— Yards of the wells of the Admiralteisky district
— the Peter and Paul Fortress in detail with museums, climbing the bell tower and a panorama.
— Museum of Science
— Museum of Space Technology
— Passage yards of the Petrograd side (independent route)
⠀ 
day. Peterhof:
— Peterhof Palace outside and inside
— Fountains and a walk through the lower garden
— Monplaisir Palace
— Bath building
— Catherine’s building
⠀ 
day. Walk around St. Petersburg:
— Pushkin’s house and museum
— Ride on the river tram along the Neva, Fontanka, Moika
— Museum of old slot machines
— Church of the Savior on Spilled Blood outside
— Chizhik-Pyzhik
— Mikhailovsky Castle outside
— Lenfilm
⠀ Departure 
day, but we managed to go:
— Model «Petrovskaya water area»
⠀
Much is planned for next time 
…
Video clip:
Read also in our Zen:
St. Petersburg grand layout is the second largest in the world
Museum «Peter’s Aquatoria». Striking layout.
And people created it! Historical Museum in Istanbul.