Things to See:

Royal Castle

Old Town Market

Łazienki Park & Palace

Wilanów Palace

Trakt Królewski (the Royal Route)

Polish Vodka Museum – also check out the bar here

Restaurants:

Not a particular restaurant but check out bar mleczny. Typical bars when Poland was communist serving traditional comfort food at basement bargain prices

U Fukiera – well known spot in old town

MOMU

Stary Dom – good place to crush cold polish vodka and meat

Selavi – this place transitions to a cool club at some point in the night so good place to do 2 in 1

STIXX Bar and Grill – long bar, pretty restaurant, comparable in a way to an American steakhouse

Epoka – stunning restaurant. Older cuisine with a modern twist

ĆMA – open 24/7, good spot for drunk food

Bars:

Plan B

Mono Bar

Mazoweicka

Na Lato

Warszawa Powisle 

Rooftop Bars:

Level27 – also a sick club

The View

Panorama Sky Bar

Clubs:

Sen Nightlife

Enklava