Inside the futuristic campuses tech's fastest growing companies are building (AAPL, FB, GOOG)

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Amazon has biodomes. Apple has a spaceship. 

Tech's cutting-edge companies are not only building products that will shape our future, but building campuses with a vision to match. 

It's not enough to just have a nice cafeteria or a volleyball court anymore. Today's tech companies strive for architectural showpieces that make a statement. 

Here's a look at the tech campuses of the future:

In downtown Seattle, Amazon is working on three, 100-foot tall domes. They're already under construction and scheduled for completion in 2018.

The domes will come with more than 300 plants that are endangered species, essentially turning the place into a conservation project as well. Employees will be able to work hard and get to enjoy some green.

Facebook has already finished one Frank Gehry building, but now it's working on its second campus expansion. In addition to two more Gehry designed buildings, Facebook is considering things like a 200-room hotel, park, and pedestrian and bike bridge to help blend the campus into its surroundings.