Cathedral of Trier
His first completely independent work was the nearly three meter high tomb of General Ernst Ludwig von Tippelskirch in the ) in Berlin (1844). Soller also designed Berlin's second oldest Catholic Church constructed after the Reformation, the almost forgotten church St. Marien am Behnitz in Spandau (1848). In 2002 that church was transferred into private ownership and completely renovated. He led construction of the war monument in Berlin's (1851–1853) and designed the tower of the Luisenstädtische Kirche. As a curator of monuments, Soller was also involved in the construction of Cologne Cathedral and the restoration of Erfurt Cathedral and the Cathedral of Trier.