Big Bus Tours is a hop-on, hop-off sightseeing operator that runs open-top double-decker buses and guided city circuits in a large number of international destinations. You'll find Big Bus services in major tourist centers — for example London, New York, Paris and Dubai — with routes built around landmark clusters so visitors can see highlights without planning complex transit. Vehicles typically include open-air seating on the upper deck and covered seating below.

The company typically sells time-based passes (commonly 24-, 48- and 72-hour options, depending on the city) plus combination packages that may include walking tours, river cruises or evening sightseeing in selected markets. Onboard audio commentary is available in multiple languages in many cities, and local guides operate some live tours. The website issues e-tickets and mobile vouchers; you can usually redeem a voucher at a city stop or show it on a driver’s device to board.

Big Bus Tours aims at convenience for first-time visitors, short-stay travelers and families: the hop-on, hop-off format makes it easy to move between attractions without navigating local transit networks. That convenience brings tradeoffs — routes focus on major sights and won’t replace a city’s public transport for getting between neighborhoods, and service frequency can vary by season. Overall, Big Bus is straightforward to use for sightseeing itineraries that prioritize efficiency and landmark viewing over deep, local exploration.