The X-Seed 4000 is currently the Earth's tallest proposed structure. The project is currently on hold, due to a funding shortage^, but adventures in Arcology will probably continue.
posted on Aug 25, 2007 - View this thread

Amazing collection of several galleries full of Japanese "urban ruins" photos, including abandoned amusement parks, refineries, apartment blocks, hospitals, schools, bowling alleys, & much more, including Battleship Island, the (previously posted) abandoned coal mining island off the coast of Nagasaki. Via.
posted on Dec 5, 2006 - View this thread

Quicktime VR photos of Tokyo - tunnels - night - large drains - buildings - etc. The nav is mainly in Japanese but the "VR List" link, lower right, seems to be the main index.
posted on Jul 26, 2006 - View this thread

The Site of Reversible Destiny is an "experience park" conceived on the theme of encountering the unexpected. By guiding visitors through various unexpected experiences as they walk through its component areas, the Site offers them opportunities to rethink their physical and spiritual orientation to the world. [via]
posted on Mar 13, 2006 - View this thread

Meiji architecture The Meiji Mura is an open-air museum with many examples of Japanese Meiji-period architecture from between the mid 19th century and the early decades of the 20th. The buildings, often rescued from the threat of demolition, show how Japan developed its own distinctive modern architectural style during this period.
posted on May 14, 2005 - View this thread

Mitsubishi Virtual Design Museum - look at the past, present, and future of industrial design in Japan. :: via Yesterday's Tomorrows::
posted on Dec 8, 2003 - View this thread

Welcome to ArtServe: Art & Architecture mainly from the Mediterranean Basin and Japan.
posted on Nov 29, 2003 - View this thread

Check out this soccer/baseball stadium. You can fold the baseball field and roll in the soccer one. Animation here. Amazing.
posted on Jun 1, 2002 - View this thread

Urban Exploration, Japanese-style: lavishly beautiful site documenting Japan's modern ruins, via gmtPlus9.
posted on Jan 31, 2002 - View this thread