Wonderopolis

Why Did Castles Have Moats?

Today’s Wonder of the Day has a medieval ring to it!

#1468

Why Did Castles Have Moats?
Why Are Earthworms Good For Gardens?

Grab your gardening gloves and get ready to dig into a new Wonder of the Day that might be a little grimy and slimy!

#195

Why Are Earthworms Good For Gardens?
Can an Entire Town Fit Under One Roof?

Today’s Wonder of the Day takes a closer look at a tiny town whose residents are quite close!

#1562

Can an Entire Town Fit Under One Roof?
How Do Arctic Animals Survive in the Cold?

You might want to bring your heavy coat to Wonderopolis today!

#1409

How Do Arctic Animals Survive in the Cold?
How Do You Build a Tunnel Underwater?

Today’s Wonder of the Day digs deep to uncover a construction conundrum!

#406

How Do You Build a Tunnel Underwater?
What Is a Tunnel Book?

We think you’ll really “dig” today’s Wonder of the Day!

#1158

What Is a Tunnel Book?