The Delta Cathedral, dedicated to St. Nicholas and St. Alexander, is a building of King Carol I and was built in honor of the liberation of Dobrogea from Turkish rule. The foundation stone was laid on October 31, 1910, but it was completed in 1982, on September 5. The cathedral is a project of the architect Nicolae C. Mihaiescu and is built in neo-Romanian style, the edifice has a triconic plan, the shape of a cross with 3 towers. The roof of the church has 7 crosses and the exterior facade is made of Venetian mosaic with Murano glass.