Onze-Lieve-Vrouwe-Kathedraal (Our Lady's Cathedral)
The largest Gothic church in the Benelux. It's inside as rich as outside and you should definitely walk around this enormous building.
Address: Handschoenmarkt.

Vlaeykensgang
Small network of narrow streets and alleys in the oldest part of the city.
Entrance: Oude Koornmarkt 16.

Hendrik Conscienceplein
This quietly situated square is not very well known but certainly worth a visit. Here you'll find nice cafés, café terraces and restaurants.

'T Steen
A little castle on the border of the river Scheldt. It was one of the earliest buildings in Antwerp constructed with stones. That's why it is called 't Steen (the Stone).
Address: Steenplein 1.