New Mount Sinai Cemetery is a 52-acre (21 ha) cemetery in St. Louis, Missouri that was founded in 1850. Its first burial was in 1853, and its rural cemetery landscape design was laid out in 1907. It was listed on the National Register of Historic Places in 2005. Its listing includes 39 contributing buildings, 2 contributing sites, and 2 other contributing structures. Deemed as contributing resources were: As of the 2005 listing, the cemetery also has a Modern-style community mausoleum, three private mausoleums (Art Deco, Modern, Neo-Classical), and a formal Japanese garden.