The Treehouse offers several tools which you may find useful while planning your travels or while on the road. Click on any of these links to access the tools:

• 货币交换器: Convert between different currencies. You can also view a detailed history and chart.
• 电流信息: See what voltage and plug type used in different places in the world.
• 接种信息: Check up on vaccinations recommended by the Center for Disease Control.
• 时区 information. See what time it is in different parts of the world.
• 旅行保险 reviews.