Historical clue formulations

• Top of a mosque, often — 2026-09-17
• Noggin — 2026-02-04
• Part of a mosque, typically — 2023-12-26
• Feature of the Capitol or the Taj Mahal — 2023-09-25
• Cupola relative — 2023-04-16
• Rotunda feature — 2022-12-13
• Feature of many a beehive — 2022-08-25
• There's a famous "half" one in Yosemite National Park — 2021-04-25
• Famous feature of the Florence Cathedral — 2019-10-06
• Half ___ (Yosemite attraction) — 2019-09-06
• Jefferson Memorial topper — 2018-10-21
• Taj Mahal feature — 2017-04-26
• Feature of Rome's Pantheon — 2015-10-20
• Rotunda feature — 2015-08-24
• Igloo, essentially — 2015-02-19
• AT&T Stadium feature — 2013-12-04
• Capitol Hill sight — 2013-08-04
• Top of the Capitol — 2012-11-26
• It may be retracted — 2012-11-10
• Jefferson Memorial topper — 2011-12-13
• ___ of the Rock (Jerusalem landmark) — 2011-07-13
• Nonrectangular part of a skyline — 2011-05-05
• Capitol feature — 2009-06-09
• Taj Mahal feature — 2009-01-12
• Feature of some arenas — 2008-11-05
• Many a stadium cover — 2008-05-05
• Capitol's top — 2008-02-11
• ___ of the Rock (Jerusalem shrine) — 2007-07-15
• Volcanic formation — 2007-06-21
• Hemisphere — 2007-02-23
• Volcano feature — 2006-04-15
• Indoor arena feature — 2005-09-26
• Planetarium roof — 2005-03-20
• Round top — 2004-08-29
• Baldpate — 2003-10-16
• Capitol topper — 2003-06-18
• Capitol feature — 2002-08-19
• Rotunda feature — 2002-02-19
• Head, slangily — 2000-09-03
• Capitol feature — 2000-08-03
• Taj Mahal feature — 2000-06-10
• Capitol feature — 1998-10-25
• Fuller construction — 1998-08-30
• Capitol topper — 1996-09-09
• Rotunda's crown — 1995-06-12
• Baldie's head — 1995-02-20
• St. Paul's top — 1994-03-30
• Bald head — 1994-02-16
• Igloo shape — 1993-12-02