4.9
Churches & cathedrals
St. Isaac's Cathedral
Saint Petersburg, Russia
St. Isaac's Cathedral in St. Petersburg, completed in 1858, is an enormous structure with a dome visible across the city, made from over 100 kg of gold. Its interior boasts breathtaking mosaics crafted by 19th-century artists.
Good to know
- Best months
- Jun–Nov
- Dress code
- Cover shoulders and knees
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