10. Tokyo Mode Gakuen Cocoon Tower, Tokyo, Japan

Height: 204 meters

Cost to build: NA

Completion date: October 2008

Fast fact: It's the second-tallest educational building in the world, next to the M.V. Lomonosov State University building in Moscow.

The tower is one of the few educational skyscrapers in the world, hosting s

The tower is one of the few educational skyscrapers in the world, hosting schools of fashion, computer science and medicine.

As its name suggests, its exterior resembles the silky home of various larvae.

Students are educated inside the 50-level tower and metaphorically transformed into something bigger and more beautiful, culminating in generations of Tokyoites prepared to give this sprawling city, and its country, focus.

The Cocoon Tower is also a symbol of innovation -- soaring above its older and shorter neighboring buildings not just literally, but figuratively