Historical clue formulations

• Pantheon feature — 2026-02-27
• Jeffersonian design at the heart of the University of Virginia — 2023-10-21
• The Pantheon in Rome has one — 2020-06-13
• Capitol Hill sight — 2012-11-03
• Capitol feature — 2010-12-20
• Capitol feature — 2006-04-16
• Capitol construction — 2002-11-22
• Capitol feature — 2001-12-14
• Jefferson Memorial feature — 1999-05-15
• Hotel lobby, maybe — 1997-03-01
• Capitol Hill sight — 1995-06-08
• Hotel lobby, sometimes — 1995-06-02