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Why Is the Liberty Bell Cracked?

Today’s historic Wonder of the Day will crack you up!

Why Is the Liberty Bell Cracked?

How Did the Pretzel Get Its Shape?

Come hungry to Wonderopolis today, as we take a look at the twists and turns that are unique to a salty snack that’s a favorite all around the world!

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How Did the Pretzel Get Its Shape?

Is the Oval Office Really an Oval?

If you enjoy sitting in the corner, you might have a problem with today’s Wonder of the Day!

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Is the Oval Office Really an Oval?

Do All Trains Run Aboveground?

All aboard! Today’s Wonder of the Day will take you on a ride deep, deep underground!

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Do All Trains Run Aboveground?

Why Is It Called "Black Friday"?

If you’re stuffed after Thanksgiving, don’t worry. We’ll get some exercise today when we head to the mall!

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Why Is It Called "Black Friday"?

Why Are There Revolving Doors?

Today’s Wonder of the Day helps you go in and out by going around and around!

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Why Are There Revolving Doors?

What Were the Intolerable Acts?

Today’s Wonder of the Day is an important event in U.S. history!

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What Were the Intolerable Acts?

What Is Kudzu?

Today’s Wonder of the Day will really grow on you!

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What Is Kudzu?

What Was the First Girl Scout Cookie?

Water is essential, but today's wonder takes a look at something else some people think they can't live without. It's sure to satisfy your sweet tooth!

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What Was the First Girl Scout Cookie?

What Is a Hurricane?

There’s a storm a-comin’ today in Wonderopolis. Hang onto your hat!

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What Is a Hurricane?

What Was the Underground Railroad?

All aboard! Today’s Wonder of the Day will take you for a ride on one of the most famous railroads of all time… with no tracks in sight.

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What Was the Underground Railroad?

How Was the Slinky Invented?

Today’s Wonder of the Day twists and turns and even walks down stairs!

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How Was the Slinky Invented?

Who Invented Carpet?

Today’s Wonder of the Day sure feels good under your toes!

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Who Invented Carpet?

Where Is the Nation’s Bald Eagle Capital?

Today’s Wonder of the Day will help you soar high into the sky!

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Where Is the Nation’s Bald Eagle Capital?

How Do You Make a Hot Brown?

Join us in the kitchen today as we cook up something wonderful in Wonderopolis!

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How Do You Make a Hot Brown?

How Do Fire Hydrants Work?

Today’s Wonder of the Day comes in really handy in case of a fire!

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How Do Fire Hydrants Work?

What’s Your Favorite Type of Bagel?

We hope we score a “hole in one” with today’s Wonder of the Day!

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What’s Your Favorite Type of Bagel?

Who Was Lou Castro?

Today’s Wonder of the Day is sure to be a home run!

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Who Was Lou Castro?

How Did Spiders Help the Allies Win World War II?

Today’s Wonder of the Day may make your head spin!

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How Did Spiders Help the Allies Win World War II?

What Is Your Favorite Mascot?

Today’s Wonder of the Day celebrates a wild cast of characters, from animals to historical figures to Hoosiers…whatever those are!

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What Is Your Favorite Mascot?

Explore the World of Wonders

Why Is the Liberty Bell Cracked?

How Did the Pretzel Get Its Shape?

Is the Oval Office Really an Oval?

Do All Trains Run Aboveground?

Why Is It Called "Black Friday"?

Why Are There Revolving Doors?

What Were the Intolerable Acts?

What Is Kudzu?

What Was the First Girl Scout Cookie?

What Is a Hurricane?

What Was the Underground Railroad?

How Was the Slinky Invented?

Who Invented Carpet?

Where Is the Nation’s Bald Eagle Capital?

How Do You Make a Hot Brown?

How Do Fire Hydrants Work?

What’s Your Favorite Type of Bagel?

Who Was Lou Castro?

How Did Spiders Help the Allies Win World War II?

What Is Your Favorite Mascot?

SCIENCE 1252 Wonders

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SOCIAL STUDIES 643 Wonders

LANGUAGE ARTS 162 Wonders

TECHNOLOGY 292 Wonders

ARTS & CULTURE 565 Wonders

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