Explore Wonders | Tag: limestone | Wonderopolis

Explore Wonders | Tag: limestone | Wonderopolis

Wonderopolis

How Is Glass Recycled?

Today’s Wonder of the Day can be used over and over again!

#1039

How Is Glass Recycled?
Is the Leaning Tower of Pisa Falling?

Want to travel the world? We’re leaning toward taking a trip to Italy today!

#495

Is the Leaning Tower of Pisa Falling?
What Makes a Pyramid?

Did the Ancient Egyptians have a favorite shape? Find out today in Wonderopolis!

#461

What Makes a Pyramid?
What Is a Sinkhole?

We have a sinking feeling that today’s Wonder of the Day will be a HOLE lot of fun!

#450

What Is a Sinkhole?