I found an interesting article "Wroclaw in one day" - it is worth to read it.
At the beginning - It is worth to see Wroclaw from the air. At the market, there are two churches, it's easy to get in to their towers and enjoy the view.
First, the Garrison Church, located just off the historic tenements "Jaś i Małgosia". The church tower measures 90 meters in height, and on its peak one can get by spiral staircase, surrounded by three-meter thick wall. From the top there is a view for the skyline of Wroclaw, you can see the Oder, the market and the streets around the center, as well as other areas of the city including the Sky Tower skyscraper, the Cathedral on Ostrów Tumski or Wroclaw University edifice.
Right next to the Centennial Hall is a charming pergola, a favorite place primarily for young couples, often used for open-air weddings. From spring till autumn on the pergola also works the multimedia fountain - the admission to the show is free, but about every hour you can listen the music and see the water stunts.
Centennial Hall itself, along with a pergola is located in the Szczytnicki Park, the largest park in Wroclaw. In the park, we can see the Japanese Garden, especially in the spring, when the nature flourishes.
The park itself is well worth a visit, if only for a moment. There is about 400 species of trees, charming walkways and bridges, as well as the church of St. John of Nepomuk.