There are many fun activities to enjoy while in Budapest.

To tour the city on wheels, the most unique way is rent a scooter from BudapestScooter try a Segway tour, walking tours with Absolute Walking Tours, Budapest Backpacker's Free Budapest Tours (basic Pest and Buda tours, Faith-Terror-Communism tour), Free Budapest Walking Tours with Free Jewish Quarter & The Best Pubs Walking Tours,  Free Communist Walking Tours, Jewish Heritage Tours or a Bike Tour from Budapest Bike Breeze or Yellow Zebra or BudapestBikes. Kick scooter tour is a new unique and fun way to see Budapest

A self-guided audio tour is available from BudapeMp3 City Guidest  .

Airsoft and pistol shooting are quite popular with stag parties and can be booked via a stag organizer or Discover Budapest. 

Hungary is also famous for its wine. The largest wine cellar system of Hungary is in Budapest. Visit it for a wine tasting.

The baths are one of the top activities - even though the main "activity" is relaxation!  There are articles in this section with more details on each of the baths locations, including SzechenyiGellert, Rudas, Lukacs and Kiraly. 

The same geothermal forces that created these wonderful natural baths also created amazing cave networks.  The Palvolgyi Caves are a short trip from the city center and offer guided tours in many languages. 

A new kind of sightseeing is getting it is fans in Budapest: Sightseeing from the air. The flight goes from Budaörs airport. It takes 25-30 min long. More information: Air cruise with a 4 passenger plane.