St. Isaac’s Cathedral is the largest church in St. Petersburg and one of the largest sacral domes in the world. The magnificent building, once the main church of the Russian Empire, was converted in Soviet times to an art museum. In 2017, an attempt by the city governor to transfer this neoclassical cathedral to the Russian Orthodox Church failed due to the resistance of the people of St. Petersburg. The interior of the cathedral is very impressive. Can you imagine, there is space for more than 10‘000 people in this church. It takes your breath away from the sheer splendor, the paintings on the walls, the beautiful frescoes on the ceilings, the altar and the sculptures are very, very impressive! For me, however, even more impressive was the panoramic view of the city of St. Petersburg from the upper visitor platform of the main dome. To avoid the hustle and bustle, I advise to climb up to the dome (visitors platform) around noon because the scrum can be really uncomfortable in such dizzy heights 🙂 However, you should not shy away from the climb, it’s worth it! Have fun!