I love this series of picture books by Miroslav Sasek. Customers at work are always looking for books that will help their children on their first travels and I think these are a good starting point.
(The Usborne ‘We’re going on a plane/to the dentist/to the vet/to a funeral’ etc books are also invaluable to a child’s first time experiences).
On doing a little research there are loads of travel related picture books. My favourite would have to be ‘This is New York’ because I visited the big apple when I was only 16 and felt completely overwhelmed so can only imagine what it’s like for a small child. And for those not travelling; this is a great picture book to get the imagination going picturing fantastic adventures around New York.