Исаакиевский собор Mural

Discover cities like never before.

Enjoy over self-guided city exploration with our app ‘Explory’. Learn all about the history and discover hidden more than 500.000 hidden gems, that only locals know about. Build custom tours, find nearby places, and start exploring instantly.

Over a million gold rubles. That’s how much it cost to build this magnificent structure. Can you imagine the sheer scale of such an undertaking?

Welcome to Saint Isaac’s Cathedral a true architectural marvel. This isn’t just any building. It’s a testament to human ambition and ingenuity a symbol of Saint Petersburg itself. Construction began in 1818 under the direction of Auguste de Montferrand. It took forty long years to complete. Think about that for a moment forty years of meticulous work.

The foundation alone is a feat of engineering. To support this colossal cathedral 25000 piles were driven deep into the soft St Petersburg fenland. The enormous granite columns each a single block required innovative lifting techniques. The stories of the workers who toiled on this project are as fascinating as the cathedral itself. Sixty died from mercury poisoning while gilding the magnificent dome. The dome by the way is 101.5 meters high. Its exterior is gilded and decorated with twelve angel statues. These angels were likely the first large sculptures created using electrotyping a cutting-edge technology for its time. The interior is equally breathtaking. Multicolored granites and marbles from across Russia adorn the walls and floors. The iconostasis is framed by columns of malachite and lazurite. The bronze doors patterned after those of the Battistero di San Giovanni in Florence are stunning works of art.

Initially the cathedral served as a religious center. It was consecrated in 1858. Later it was repurposed. In 1931 the Soviet government transformed it into a museum. It became the Museum of the History of Religion and Atheism. A Foucault pendulum replaced the original dove sculpture a symbolic shift from faith to science. In 1937 it became the Museum of the Cathedral. Even during World War II Saint Isaac’s played a strategic role. Its dome was painted gray to avoid attracting enemy aircraft. A geodesic point was placed in the skylight to help determine the location of German artillery batteries.

Today Saint Isaac’s Cathedral stands as a symbol of Saint Petersburg’s rich and complex history. It’s a museum yes but it still occasionally holds church services. Its golden dome continues to dominate the skyline. This building is more than just bricks and mortar. It’s a story in stone a breathtaking testament to faith resilience and the enduring spirit of Saint Petersburg.

The story of Исаакиевский собор Mural in Saint Petersburg is only a glimpse of what you can experience. Explory transforms your trip with a smart Saint Petersburg guide that reveals culture and history. Using our Saint Petersburg city guide, you can discover highlights and enjoy a personal Saint Petersburg city tour designed to match your pace. Explory connects you with the essence of Saint Petersburg. The Saint Petersburg guide combines navigation with storytelling, leading you to landmarks and Saint Petersburg hidden gems. Through the Saint Petersburg audio guide, you hear fascinating stories while moving through the city. Our Saint Petersburg city guide is more than a tool – it’s a companion for real Saint Petersburg exploration. Every Saint Petersburg city tour blends stories, culture, and atmosphere into an adventure. With emphasis on unique Saint Petersburg hidden gems and authentic Saint Petersburg exploration, Explory offers a richer way to travel. Get the Explory App today and unlock a world of discovery: more than 300 cities and 500,000 POIs and stories at your fingertips. Whether you’re looking for a Saint Petersburg guide, a detailed Saint Petersburg audio guide, or a flexible Saint Petersburg city tour, Explory is your ultimate travel companion.

More Places in Saint Petersburg

Yeusefiya Cemetery

Were these once vibrant lives, now commemorated beneath our feet? We stand before the Yeusefiya Cemetery, a place where history

Explore

耿辛庄桥

Across the Jiuduhe River stands the majestic Luoshen Bridge. Its elegant arches whisper tales of emperors and dynasties. Luoshen Bridge

Explore

Zion Baptist Church

Founded in 1882 Zion Baptist Church stands proudly in Philadelphia. It’s a testament to faith resilience and community. This wasn’t

Explore

Boat house

The clean lines and simple elegance of the Bauhaus movement are all around us here in Tel Aviv. And yet,

Explore