Here’s a good starting point: http://www.sapteseri.ro/index.php?page=home&ln=2&city=1

sorry for the delay, i’ve coldn’t use the internet for a while, for short:

museums:
National History Museum,
The Royal Palace (National Art Museum), Grigore Antipa (Museum Of Natural History)
The Village Museum

parks:
Herastrau Park
Cismigiu Park
Carol Park

special tours:
Casa Poporului (the world’s seccond largest building)

Day Trips:
Valea Prahovei (se a bit of Romanian Mountains) – tha last three days of the week are pretty busy on the road, but in Sinaia, Predeal, Busteni you can go skiing

You Can visit Bran Castle aka Dracula’s Castle

You can go to Constanta and see The Black Sea

if you have a good car you can to one of this things in a day, or if you like you can spend the night there

if you are in Romania and need some advice you can give me a buzz, i have Internet again noe :D