The Telus World of Science officially shut down its 11th Street S.W. location on Monday. (John Spittal/CBC )

Calgary's science centre is on an extended summer vacation until its new building opens in October.

The Telus World of Science closed its 7th Avenue and11th Street S.W. location on Monday.

The science centre will re-open on Oct. 29 at the new, larger building under construction on six hectares of land on St. Georges Drive N.E., near the Calgary Zoo.

The new, $160 million science centre will be home to four new exhibit galleries, an expanded Creative Kids Museum, a gallery for traveling exhibitions, and a large atrium and outdoor park.

The science centre will also be home to Calgary's only HD digital dome theatre, scheduled to open in the spring of 2012.

Attendance at the science centre has more than doubled to 304,000 visitors annually in the past decade. The new centre, at 140,000 square feet, is designed to accommodate 500,000 visitors a year.