Hello seftysteph,
I am glad you decide to come in Romania.
In Bucharest is very much traffic, yet the city is nice. I reccommend you to go in Brasov, Sibiu, Sighisoara.
In Bucharest you can visit Herastrau Parc with Muzeul Satului (better during summer). Another attraction is Casa Poporului (second largest building in the world).
Taste also the Romanian food.
(in the future you may consider also to go to north of the country in Moldavia and Maramures, it's devine!)
I hope you'll have fun in Romania,
Mihai, Bucharest