Capstone

As rain beats down and lightning flashes across the sky, a siren blares loudly in the distance. A tornado! With winds reaching 300 miles per hour, ...

Water rushes out to sea out of nowhere. Suddenly, huge waves come crashing inland. It's a tsunami!

Hot magma rises to the earth's surface. Smoke bursts from the volcano, and lava flows out. It's a volcanic eruption!

In an instant, a beautiful white mountainside can become a deadly stampede of snow. Avalanche! These sudden landslides of snow, ice, and rocks can ...

Winona tends to worry about all the things that could go wrong, and it's turning her into a worry warthog! From monsters under the bed to failing m...

Winona tends to worry about all the things that could go wrong, and it's turning her into a worry warthog! From monsters under the bed to failing m...

The sky darkens and it begins to rain. Hours later the rain still falls heavily. Somewhere a dam bursts and a wall of water surges downstream. It's...

Water rushes out to sea out of nowhere. Suddenly, huge waves come crashing inland. It's a tsunami!

An earthquake shakes a snow-covered mountain. The fresh snow slides down. It's an avalanche!

Hot magma rises to the earth's surface. Smoke bursts from the volcano, and lava flows out. It's a volcanic eruption!

The winds pick up while heavy waves crash on the beach. A few hours later screaming winds and driving rain tear up the coastline. It's a hurricane!...

An earthquake shakes a snow-covered mountain. The fresh snow slides down. It's an avalanche!

The sky grows dark. Lightning flashes. Thunder booms. Soon a wailing siren fills the air. It's a tornado! With wind speeds up to 300 miles per hour...

The sky darkens and it begins to rain. Hours later the rain still falls heavily. Somewhere a dam bursts and a wall of water surges downstream. It's...

The windows rattle. The ground shakes. Soon the ground cracks open and buildings come crashing down. It's an earthquake! These shattering natural d...

Fantastic plants cover our world. But which ones are the smelliest, thorniest, or largest? Through easy-to-read text, amazing photos, and a fun act...

The windows rattle. The ground shakes. Soon the ground cracks open and buildings come crashing down. It's an earthquake! These shattering natural d...

Wild weather affects every part of our world. But which types of weather bring wicked winds, drenching downpours, or super-heavy snowfalls? Through...

Thousands of fascinating ghost sightings are reported every year. But the spirits of actors, musicians, and presidents seem to gain the most attent...

Wild weather affects every part of our world. But which types of weather bring wicked winds, drenching downpours, or super-heavy snowfalls? Through...

Imagine visiting a place where a gruesome murder or a terrible battle once occurred. Do the spirits of the victims still haunt the halls? Are the g...

Awesome places can be found all over our world. But which ones are the deepest, tallest, or hottest? Through easy-to-read text, amazing photos, and...

Which explorer discovered Machu Pichu? What really happened to Angkor? Does the lost city of Z really exist? To find out the answers to these quest...

Awesome places can be found all over our world. But which ones are the deepest, tallest, or hottest? Through easy-to-read text, amazing photos, and...