Cheap flights from Chicago to Warsaw from £191

The city has a well-developed bike-renting system. Veturilo, the largest company providing such services, has 300 stations and 4,500 bikes. To get a bike, you need to install their app and deposit 10 zł. The trick is that the first 20 minutes are free! You can bounce around the city, taking a bike at one station and leaving it at the next one. A 21 to 60 minutes ride will cost you just 1 zł and the next hour — 3 zł.

The Bródno Sculpture Park was created by Paweł Althamer, a famous Polish contemporary artist. Since 2009, the park in one of Warsaw bedroom communities has become one of Poland's most noticeable public art spaces. Its artworks were designed by Polish as well as foreign artists invited to contribute to the project. The park also holds concerts, workshops and even gondola rides.

Miejska Sciezka translates into English as City Paths. It is a series of free audio guides to the most popular places in Warsaw. You can download the audio guide to your smartphone on any operating system. Just choose a route, plug in your headphones, and enjoy the city!