Admiralty House is located in Mount Pearl, Newfoundland. It was built in 1914 for the British Admiralty as a World War I communications post. It now houses a museum, with exhibits on the history of Mount Pearl, Guglielmo Marconi and wireless communications, the wreck of SS Florizel, and HMS Calypso a training ship for the Newfoundland Royal Naval Reserve before and during World War I.