Environment (Page 20)
Petra is Jordan’s most famous place. This city carved in stone is also one of the most famous archaeological sites in the...read more
High in the Andes Mountains of Peru, a mysterious ruin preserves the story of the Inca people. Machu Picchu holds more...read more
The Great Wall of China spans more than 10,000 miles! It was built over many centuries, and it remains one of the world’s...read more
From mock naval battles to gruesome gladiator fights, the Colosseum has hosted some of the world’s most shocking...read more
From its perch on the 2,310-foot-tall Mount Corcovado, Christ the Redeemer can be seen from miles away! This famous...read more
Chichén Itzá is more than 1,000 years old. At its center is a tall pyramid built to honor the Maya snake god Kukulcan!...read more
Nicknamed the “Gateway to South America,” Colombia is filled with beauty and color! In this text, readers will explore...read more
Octopuses have large brains. They also have nerve cells in each of their arms. These are like eight smaller brains! In...read more
Caw! Caw! A mob of crows swarms a predator. They work together to chase it away! Teamwork is one of many skills explored...read more
A sloth makes its way across a branch. Time for a nap! These slow creatures do not travel very far. But they thrive in...read more