I found this great picture of the construction of Spaceship Earth at Epcot, or as Nikki calls it, "the big, silver golf ball." This is taken from the rear of the attraction and you can see the monorail beams circling the someday to be park. The greatest thing about this photo is you can see the corkscrew design of the ride inside the sphere and realize how high you actually go.
The geosphere is 165 feet in diameter, 180 feet high (it stands 15 feet off the ground), encompasses 2,200,000 cubic feet of space, weighs 15.5 million pounds, has an outside surface of 150,000 square feet, and is covered by 11,324-silvered facets on 954 triangular panels. The exterior tiles are made of Alucobond¨ material, a composite of ethylene plastic which has been chemically bonded between two aluminum panels. The name comes from ALUminum Composite BOND. This material can withstand the Florida climate and is self - cleaning. A specially designed gutter system prevents water from cascading off the sphere; rainwater is channeled through the structure and sent to underground drains, where it replenishes the World Showcase Lagoon. The pilings for Spaceship Earth extend far into the ground with a range of 110 to 185 feet.