The massive machinery that drove Cass Tech's elevators.
The cafeteria in the 1980s addition
Nearly every classroom in the school was left filled with desks, supplies and equipment.
The original swimming pool, which was closed after the addition was added in the 1980s.
Classrooms were left full of desks when the school district abandoned the landmark.
Cass Tech was abandoned by the school districts with tons of school supplies, computers, musical instruments and more left behind.
The venerable Second Avenue facade of Cass Tech High School
Cass Tech was a proud educational landmark in downtown Detroit.
The classrooms were left full of desks and other supplies when the district abandoned the building.
The swimming pool in the 1980s addition was supposed to be Olympic-size - but contractors used English measurement instead of metric.
A chemistry lab
Looking north up Grand River on April 17, 2009, at Cass Tech and its 1980s addition.
An aerial view of Cass Tech on April 17, 2009.
The proud Cass Technical High School
Old Cass Tech and Michigan Central Station