Raffles City and the entire Marina Bay area.
Forum Galleria, Wisma Atria, Centrepoint, Ngee Ann City
The entire MRT system
Benjamin Sheares Bridge
The entire Tampines New Town
Parkway Parade, Liang Court
Practically all of the expressways with the exception of PIE and ECP.
Jurong East Interchange (and surrounding areas).
King Albert Park McDonald's
Galleries LaFayette (I think it was originally called Goldhill Square? Near Novena stn?)
Beauty World Shopping Centre
What other major S'pore landmarks (or places that meant something to you) did you witness in the making?
Then there were also those that were torn down...
The row of shophouses where The Heeren now stands
Cockpit Hotel (should've preserved it, man)
Sembawang Shopping Centre (one of the first places in Sg to sell CDs under $24! Kinda shocked to see that it's now all levelled)
Van Cleef Aquarium
Farrer Park stadium
The original National Library (man, now it's just a hole in the ground)
The original MPH Stamford Road
The original Orchard, Lido and (post-WWII) Cathay Cinemas.
Leisuredrome! (Is it still there??)
A&W along Dunearn Rd
The original bumboat jetty at Changi Point
My primary school.
Sentosa ferry terminal
The original WTC Expo halls.
Colombo Court shopping centre
Yaohan Katong and the adjacent Seaview Hotel
The Red Bakery near Raffles Hotel!