We can't leave out Australia because pets are as common there as they are in the United States.
Consider taking your four-legged pal on a paddle boat trip, a talking tram ride, or a dog-friendly winery tour.
In addition to several pet-friendly hotels, St. Petersburg also features several parks and pedestrian-friendly neighborhoods.
In the northwest district, there is a monument commemorating Pavlov's dog, which may be of interest to dog (and science) aficionados.
The monument is dedicated to Bierka, a mongrel that assisted Pavlov in his studies of training.
Polyustrovskiy Market is another great place to go if you're looking for tropical fish or pet supplies.
Despite being a densely populated metropolis, Tokyo is surprisingly pet-friendly.