The tourist information centers inside the Zagreb Train Station and on the main square (Trg bana Jelačića 11) give information on fun and informative guided tours of the city and surroundings.
Secret Zagreb. A tour with Secret Zagreb is one of the most unique ways to get to know Zagreb. Your personal tour guide will be Iva Silla, a passionate local who will show you around Zagreb while teaching and often engaging in games as you go. Secret Zagreb tours include the two-hour "Mysterious Zagreb: Ghosts & Dragons", the two-hour "Badass Women of Zagreb", and the "Zagreb Christmas Carol" (available only in December)". Each of these small group tours runs twice a week, and tickets can be booked online. Zagreb, Grad Zagreb. 097/673–8738; www.secret-zagreb.com.
Segway City Tour Zagreb. For a state-of-the-art experience, hop on a Segway City Tour year-round. The 50-minute "Basic Ride" costs 250 Kn per person, the 180-minute "Leisure Tour" costs 500 Kn per person, the 150-minute "Walk'n'Talk Tour" costs 480 Kn per person, and the 130-minute "All Around Tour" costs 400 Kn per person. Each one offers a unique look into the city. Zagreb, Grad Zagreb. 095/903–4227; www.segwaycitytourzagreb.com.
ZET City Tours. Zagreb’s open-top buses operate along three routes (red, green, and yellow) throughout the city. The red line (1-hour tour) operates within the narrow city center with six stops along the route. The green line (1½-hour tour) includes the best-known green oases of Zagreb with seven stops along the route. The yellow line (1½-hour tour) includes New Zagreb, the Mirogoj Cemetery, and more. Tickets are valid for an entire day, which is plenty of time to see most of Zagreb’s most famous landmarks. This service is provided by the Zagreb Electric Tram Company (ZET) in cooperation with the Zagreb Tourist Board. The departure point is from Bakačeva Street on Kaptol. The red line departs at 10, noon, 2, and 4; the green line departs at noon and 3; and the yellow line at noon and 2:45. The 24-hour tickets costs 70 Kn for adults and 35 Kn for children under 18. For children under 7, it's free. You can purchase tickets from the driver or at a ZET office in the city (keep in mind, offices are closed on Sundays). Zagreb, Grad Zagreb. 072/500–400; www.zet.hr.