hilton new orleans/st. charles avenue, located at 333 st. charles avenue in the central business district of new orleans, louisiana, is a 20-story, -tall skyscraper. the hotel is part of the hilton hotels chain. the building was originally the masonic temple, but was sold in 1992 and redeveloped as hotel monaco until hurricane katrina. hotel monaco did not reopen after katrina in the hotel reopened in 2007 as a hilton.