The FBI is relocating its headquarters from the J. Edgar Hoover Building to the Ronald Reagan Building, after decades in one of D.C.’s most polarizing examples of brutalist architecture.

For American architecture, 2025 may be remembered for the deaths of icons Frank Gehry, Robert A. M. Stern and Ricardo Scofidio, a mastermind of New York’s High Line. More likely, however, it will go d ...