Explore Wonders | Find: 仿制巴顿学院文凭毕业证（证件网:ｚｊｗ２１１.ｃｏｍ)浏阳仿制假新墨西哥州地址证明-房屋不动产证与房屋所有权证啥区别（证件网:ｂｚｗ９８５.ｃｏｍ)费城（Philadelphia）病假条Z8

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!

#200

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!

#2161

Is the Oval Office Really an Oval?

What Were the Intolerable Acts?

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

#2609

What Were the Intolerable Acts?

Why Are There Revolving Doors?

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

#682

Why Are There Revolving Doors?

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!

#418

Why Is It Called "Black Friday"?

Do All Trains Run Aboveground?

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

#333

Do All Trains Run Aboveground?

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!

#171

What Was the First Girl Scout Cookie?

What Is a Hurricane?

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

#334

What Is a Hurricane?

What Is Kudzu?

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

#909

What Is Kudzu?

Who Invented Carpet?

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

#1554

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!

#2158

Where Is the Nation’s Bald Eagle Capital?

How Was the Slinky Invented?

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

#2060

How Was the Slinky Invented?

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.

#138

What Was the Underground Railroad?

How Did Spiders Help the Allies Win World War II?

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

#2026

How Did Spiders Help the Allies Win World War II?

How Do You Make a Hot Brown?

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

#486

How Do You Make a Hot Brown?

What’s Your Favorite Type of Bagel?

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

#2091

What’s Your Favorite Type of Bagel?

How Do Fire Hydrants Work?

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

#1539

How Do Fire Hydrants Work?

Who Was Lou Castro?

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

#2968

Who Was Lou Castro?

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!

#341

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?

What Were the Intolerable Acts?

Why Are There Revolving Doors?

Why Is It Called "Black Friday"?

Do All Trains Run Aboveground?

What Was the First Girl Scout Cookie?

What Is a Hurricane?

What Is Kudzu?

Who Invented Carpet?

Where Is the Nation’s Bald Eagle Capital?

How Was the Slinky Invented?

What Was the Underground Railroad?

How Did Spiders Help the Allies Win World War II?

How Do You Make a Hot Brown?

What’s Your Favorite Type of Bagel?

How Do Fire Hydrants Work?

Who Was Lou Castro?

What Is Your Favorite Mascot?

SCIENCE 1252 Wonders

MATH 51 Wonders

SOCIAL STUDIES 643 Wonders

LANGUAGE ARTS 162 Wonders

TECHNOLOGY 292 Wonders

ARTS & CULTURE 565 Wonders

Spread the Joy of Wonder

GET YOUR WONDER DAILY

Join the Buzz

Share with the World

Share Wonderopolis

Wonderopolis Widget