I love the week leading up to Milan-San Remo. Here's an article from La Gazzetta '04 showing the finale of the race, and where the the attacks were made for some of the more interesting editions. That was, of course, before it turned into a sprinter's race. It still is the most exciting ten minutes of the year!
The climb of the Poggio is the most fascinating part of San Remo. Here, in the details, the development of the last difficulty of the Classic of Classics, and the points in which the great champions were able to make their decisive selections.
> slight grade
>> medium grade
>>> difficult grade
3.3km of climbing and descending, Poggio altitude 162m