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What Makes Popcorn Pop?

Butter? Check! Salt? Check! Movie? Check! Now what are we missing…? Visit Wonderopolis today to find out!

#20

What Makes Popcorn Pop?

Why Do People Kiss Under Mistletoe?

Uncover the history behind the plant in the doorway and its power to make people pucker up.

#80

Why Do People Kiss Under Mistletoe?

How Does a Camera Work?

Calling all shutterbugs! Check out the view. Today’s Wonder is picture perfect.

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How Does a Camera Work?

Do You Have a Social Security Number?

Today’s Wonder of the Day features a number that’s quite unique!

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Do You Have a Social Security Number?

What Are the Northern Lights?

Today’s wonder will have you seeing the night sky in a whole new light. Let’s explore the Aurora Borealis!

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What Are the Northern Lights?

Can You Hang On by the Skin of Your Teeth?

Today’s Wonder of the Day might have you reaching for your toothbrush!

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Can You Hang On by the Skin of Your Teeth?

How Many Animals Are There in the World?

We're not sure there's a place in Wonderopolis large enough to hold all of today's Wonder of the Day!

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How Many Animals Are There in the World?

What Is the Giant Magellan Telescope?

If you’re joining us in Wonderopolis today, set your sights on the stars!

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What Is the Giant Magellan Telescope?

How Does a Wetsuit Work?

Today’s Wonder of the Day is all wet, but you’ll stay toasty and warm!

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How Does a Wetsuit Work?

How Many Cars Are on the Road at One Time?

Today’s Wonder of the Day really has us stuck in a jam!

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How Many Cars Are on the Road at One Time?

How Can Dogs Hear Things We Can’t?

Have you ever wondered how dogs can hear things we can’t? Let’s find out what makes man’s best friend such a good listener.

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How Can Dogs Hear Things We Can’t?

Where Do Diamonds Come From?

If you were born in April, your birthstone is the diamond, which symbolizes innocence. Join us for a trek around the globe in search of this most precious of minerals that can cut glass and melt hearts…

#191

Where Do Diamonds Come From?

Where Is Lake Baikal?

Join us in Wonderopolis today for a tour of one of the largest lakes in the world!

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Where Is Lake Baikal?

How Old Can You Grow?

Today’s Wonder of the Day has been around for a long time, but we still think it’ll grow on you.

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How Old Can You Grow?

What Types of Things Can You Recycle?

We’re confident today’s Wonder of the Day won’t be a waste of your time!

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What Types of Things Can You Recycle?

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?

Where Is the Great White North?

Join us today for a road trip to the Great White North!

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Where Is the Great White North?

Where Can You Find Tundra?

Wear your boots! Today’s Wonder of the Day will have you walking over cold, hard ground.

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Where Can You Find Tundra?

How Does a Wastewater Treatment Plant Work?

You should TREAT yourself to another great Wonder of the Day!

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How Does a Wastewater Treatment Plant Work?

Is the Leaning Tower of Pisa Falling?

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

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Is the Leaning Tower of Pisa Falling?

Explore the World of Wonders

What Makes Popcorn Pop?

Why Do People Kiss Under Mistletoe?

How Does a Camera Work?

Do You Have a Social Security Number?

What Are the Northern Lights?

Can You Hang On by the Skin of Your Teeth?

How Many Animals Are There in the World?

What Is the Giant Magellan Telescope?

How Does a Wetsuit Work?

How Many Cars Are on the Road at One Time?

How Can Dogs Hear Things We Can’t?

Where Do Diamonds Come From?

Where Is Lake Baikal?

How Old Can You Grow?

What Types of Things Can You Recycle?

How Did the Pretzel Get Its Shape?

Where Is the Great White North?

Where Can You Find Tundra?

How Does a Wastewater Treatment Plant Work?

Is the Leaning Tower of Pisa Falling?

SCIENCE 1252 Wonders

MATH 51 Wonders

SOCIAL STUDIES 643 Wonders

LANGUAGE ARTS 162 Wonders

TECHNOLOGY 292 Wonders

ARTS & CULTURE 565 Wonders

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