Palacio de Bellas ArtesSuspected

Dated: Dated 1904–34
Declared purpose: Opera house and arts centre
Today: Survives, still in use
Build time: About 30 years with pauses
Region: Latin America
Architect of record: Adamo Boari, architect: about 41 when credited (1904, born 1863). Build time on record: about 30 years with pauses.; Federico Mariscal, architect: about 51 when credited (1932, born 1881). Build time on record: about 30 years with pauses.All architects of record →
On the list as: Suspected

Why it's on the list

Its marble mass has sunk into the soft lakebed soil.

Hidden history

Found, Not Built

A marble arts palace that has been sinking into Mexico City's soft lakebed since construction.

Why researchers flag it
Its marble mass has sunk into the soft lakebed soil.
Sinking
Its heavy marble has sunk into the soft lakebed soil that slowed construction from the start.
Stopped by revolution
Work stopped by 1913 and resumed only in 1932.
Two styles
Art Nouveau outside, Art Deco inside.
Architect of record
Adamo Boari (born 1863) was about 41 when credited with the design in 1904. The Architects of Record page asks how often a young or little-known name delivers a landmark.