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How Do I Send a Message In a Bottle?

Yo-oh-no! Stranded on a deserted island? No worries. This wonder will teach you how to call for help by bottling it up.

#48

How Do I Send a Message In a Bottle?
What's So Great About the Great Lakes?

Do you like water? We hope so because today’s Wonder of the Day will feel just like HOMES!

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What's So Great About the Great Lakes?
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?
What Makes a Pyramid?

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

#461

What Makes a Pyramid?
Where Is America's Biggest Icebox?

Brrrr! Today’s Wonder of the Day is a bit chilly. And huge! Better bring a big blanket…

#380

Where Is America's Biggest Icebox?
Is a Gob More Than a Smidgen?

We’re cooking up a tasty Wonder of the Day today with just a dash of whimsy and a pinch of delight!

#369

Is a Gob More Than a Smidgen?
What Is Veterans Day?

Today in Wonderopolis, meet the brave and heroic men and women we call veterans!

#39

What Is Veterans Day?
Who Designed the Seat Belt?

Buckle up for today’s Wonder of the Day!

#2319

Who Designed the Seat Belt?
Why Do Some Years Leap Ahead?

Today’s Wonder of the Day only comes around once every four years. Don’t miss it!

#514

Why Do Some Years Leap Ahead?
Are Monster Trucks Scary?

Today’s monstrous Wonder of the Day will really take you for a ride!

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Are Monster Trucks Scary?
What Is the Smallest U.S. State?

Look carefully! You don’t want to miss today’s Wonder of the Day!

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What Is the Smallest U.S. State?
Who Is Uncle Sam?

Today’s Wonder of the Day features everyone’s favorite uncle!

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Who Is Uncle Sam?
What Is a Spit Valve?

We don’t mean to toot our own horn, but we think today’s Wonder of the Day will be music to your ears.

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What Is a Spit Valve?
How Do Mood Rings Work?

We hope you’re in the mood for an interesting Wonder of the Day today!

#412

How Do Mood Rings Work?