Will be the centerpiece of Amazon's $2.5 billion Virginia campus when it opens in 2025. Includes ramp running around the outside of the building to its summit which is lined with greenery. From some vantage points the helix will dominate the region´s skyline like no building other than the Washington Monument. The helix features a spiral-hike around its exterior, complete with trees, and will let visitors follow a winding outdoor ramp around the edge of the building to its summit.