Glaciology. Cool. I helped map such things, carried way too much in soil samples for too long. Worked on a project that distinguished ridge top diamictons from bordering glacial deposits. They were older mudflows. Pretty cool.
Schwinn Skyliner, WalMart. I'm tempted by one myself!
Target, Schwinn Clear Creek with rack $180
Disassemble & reassemble. I'm tempted myself.