
Germany has many castles. This is Heidelberg Castle. It is very old. Some parts of the castle were built 800 years ago! Kings once lived there. The castle sits on a hill. The city of Heidelberg lies below it.
Photo Credit: Brian Hauser
Some bats live in caves. They sleep upside-down. These bats … read more
Many different animals live in Australia and New Zealand. Kangaroos … read more
August 9th is the Day of World’s Indigenous Peoples. Indigenous … read more
© 2026 McGraw-Hill Education. All Rights Reserved.