It is the largest tour operator in the Chicago area, with a fleet of 45 double-decker buses and tourist trolleys.

It's cooler for one thing, and you don't have the distraction of the daytime tourist trolleys.

Several companies operate tourist trolleys on hop-on/hop-off tours of Boston.

The City of Chicago offered free tourist trolleys that served the downtown area.

You can stroll around or hop on a tourist trolley for a 30-minute ride that begins and ends at the castle.

There are no tracks yet, but just the threat of a tourist trolley trolling 42d Street makes her "irate."

In many cities tourist trolleys are used as circulators.

In San Francisco, tourist trolleys mimic the city's famous cable cars.

A free tourist trolley serves the city.

A tourist trolley pauses; the guide announces that the players are keeping alive the traditions of their Cuban homeland.