19 Silicon Valley landmarks you must visit on your next trip

Before Silicon Valley brought us the iPod and the HP printer, the area nestled between San Francisco and San Jose was a fruit orchard.

That past is mostly gone now, and the next generation of computer companies has already filled the valley faster than you can say Moore's Law.

If you want to take a trip into Silicon Valley, here's how to get a good mix of its past and present.

Note: Several of these include visits to garages and office campuses. Always be respectful.