NASA's Vehicle Assembly Building is 525 feet tall. Its high bay doors are 456 feet high and take about 45 minutes to open or close completely.

NASA's Vehicle Assembly Building is 525 feet tall, with high bay doors 456 feet high.

The Vehicle Assembly Building at Kennedy Space Center was constructed to assemble the Apollo/Saturn V moon rocket. The last structural beam was positioned in 1965. The building covers eight acres and is 525 feet tall and 518 feet wide, NASA says.

Each of its four high bays has a 456-foot-high door, and the doors take about 45 minutes to open or close completely.