Riverwalk Hotel Detroit

Parke-Davis Research Laboratory
Omni Hotel Detroit, 2008
LocationDetroit, Michigan
 United States
Coordinates42°20′13″N 83°0′52″W / 42.33694°N 83.01444°W / 42.33694; -83.01444
Built1873, 1902
ArchitectDonaldson and Meier, Albert Kahn
Architectural styleRomanesque Revival
NRHP reference No.76001039
Significant dates
Added to NRHPMay 11, 1976
Designated NHLMay 11, 1976

The Roberts Riverwalk Urban Resort Hotel, formerly the Parke-Davis Research Laboratory also once known as Building 55-Detroit Research, is a luxury hotel on the Detroit International Riverfront in Detroit, Michigan. The former research facility was redeveloped as a boutique luxury hotel in the 1980s. The building was designated a National Historic Landmark in 1976 for its historic significance as an early research laboratory.