You could easily spend an entire day strolling through the gardens, popping in and out of each wonderful museum. Budget at least two hours to breeze through the essentials, and add an hour if you plan to explore the gardens. Take note that entry into each building is not allowed one hour before closing.You could easily spend an entire day strolling through the gardens, popping in and out of each wonderful museum. Budget at least two hours to breeze through the essentials, and add an hour if you plan to explore the gardens. Take note that entry into each building is not allowed one hour before closing.You could easily spend an entire day strolling through the gardens, popping in and out of each wonderful museum. Budget at least two hours to breeze through the essentials, and add an hour if you plan to explore the gardens. Take note that entry into each building is not allowed one hour before closing.