Is Apple opening the actual best office in the world?

Apple's new 175-acre campus in the Santa Clara Valley will be ready for the tech giant's employees to begin occupying come this April.

Apple Park was envisioned by Steve Jobs as a centre for creativity and collaboration. Apple says the space will transform miles of asphalt sprawl into a haven of green space in the heart of the Santa Clara Valley.

The campus' ring-shaped, 2.8 million-square-foot main building is clad entirely in the world's largest panels of curved glass.

Steve Jobs would have turned 62 this Friday, 24 February. To honour his memory the theatre at Apple Park will be named the Steve Jobs Theater, Apple says.

Opening later this year, the entrance to the 1,000-seat auditorium is a 20-foot-tall glass cylinder, 165 feet in diameter, supporting a metallic carbon-fibre roof. The Steve Jobs Theater is situated atop a hill — one of the highest points within Apple Park — overlooking meadows and the main building.

"Steve's vision for Apple stretched far beyond his time with us. He intended Apple Park to be the home of innovation for generations to come," says Tim Cook, Apple's CEO.

"The workspaces and parklands are designed to inspire our team as well as benefit the environment. We've achieved one of the most energy-efficient buildings in the world and the campus will run entirely on renewable energy," he says.

Apple Park will also include a visitors centre with an Apple Store and cafe open to the public, a 100,000-square-foot fitness centre for Apple employees, secure research and development facilities and the Steve Jobs Theater.

The parklands offer two miles of walking and running paths for employees, plus an orchard, meadow and pond within the ring's interior grounds.  Designed in collaboration with Foster + Partners, Apple Park replaces 5 million-square-feet of asphalt and concrete with grassy fields and over 9,000 native and drought-resistant trees, and is powered by 100% renewable energy.

With 17 megawatts of rooftop solar, Apple Park will run one of the largest on-site solar energy installations in the world. It is also the site of the world's largest naturally ventilated building, projected to require no heating or air conditioning for nine months of the year.

Apple says the process of moving more than 12,000 people will take over six months, and construction of the buildings and parklands is scheduled to continue through the U.S summer.