That's great and sounds really good at the stage you are at. Personally having taken my child (now 7) everywhere around the world since he was weeks old (Brazil, Puerto Rico, Antigua, St. Lucia, Barbados, Sri Lanka, South Africa x2, Indonesia x2, Hong Kong, China, Myanmar, Singapore x4, Thailand x2, UK x6, Sweden, France x2, Germany, Slovenia, Bulgaria, Greece, Cyprus, South Africa x2, Egypt, Jordan, Israel, Oman, Dubai x4, Abu Dhabi and a few other places) that quite frankly much of his travels before 3 or 4 years old are effectively lost, and while he may have enjoyed some animals here, or a beach there ultimately the only memories that he has are either fragmented or reconstructed through pictures. I don't regret any of the trips (maybe one or two) and do believe that they may have some positive effects in future years, but in reality any trip you take before 5 is up to you as using an elephant as an example, there is no difference to a three year old whether the elephant they see is in a zoo or wild in the Serengheti.....