Mount Vernon Hotel *
702 Cathedral Street, Baltimore, MD
Built as: the mansion home of U.S. Congressman William Julian Albert (1816–1879)
Converted into a hotel: 1867
In its time the structure has been a house of worship (1924), and office space. The exterior has undergone changes but the interior was restored in 1997 including a centerpiece domed skylight of hand-painted Italian glass.
* Not the hotel of the same name currently on West Franklin Street, which was built in 1907.