By Carl von Gontard, built 1768.
The Antique Temple is a small round temple in the west part of Sanssouci Park in Potsdam. Frederick the Great had the building constructed to house his collection of classical works of art, antique artifacts, coins and antique gems. Carl von Gontard created the building in 1768/69 near the New Palace north of the Central Alley, as a complement to the Temple of Friendship situated south of the Alley. Since 1921 the Antique Temple has been used as a mausoleum for members of the House of Hohenzollern and is not open to the public.
From Wikipedia, CC BY-SA 4.0.
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