Welcome to Wonderopolis®, a place where natural curiosity and imagination lead to exploration and discovery in learners of all ages. Each day, we pose an intriguing question—the Wonder of the Day®—and ...

We hear a lot about what killed the dinosaurs. But what we don’t often ask is . . . what helped dinosaurs come into being? What animals came before dinosaurs, and what happened to them? When dinosaurs ...

Today’s Wonder of the Day was inspired by Stella. Stella Wonders, “How do bath bombs work?” Thanks for WONDERing with us, Stella! Who doesn’t love bubble baths? They make bath time a blast! You can ...

Looks like you're ready to embark on a curiosity quest! To become a Certified Wonderologist, just follow these steps: 1. Watch this tour of Wonderopolis to get an overview of all the features of the ...

Hans Christian Andersen was born in the town of Odense, Denmark, on April 2, 1805. The beloved author of some of the most famous fairy tales of all time, Andersen remains a favorite author of children ...

Today’s Wonder of the Day was inspired by Oakley. Oakley Wonders, “why do some plants not need sunlight?” Thanks for WONDERing with us, Oakley! You’ve probably learned about photosynthesis in school.

Today’s Wonder of the Day was inspired by Jimena from Midland, TX. Jimena Wonders, “Who invented the Kentucky Derby?” Thanks for WONDERing with us, Jimena! How did this event start? It goes back to ...

At Wonderopolis®, we celebrate Jewish Heritage to honor lasting impacts and contributions, made by people with this heritage, in our world. We’ve organized these Wonders of the Day® to make this page ...

At Wonderopolis®, we celebrate Asian American and Pacific Islanders (AAPI) to honor lasting impacts and contributions, made by people with this heritage, in our world. We’ve organized these Wonders of ...

Today’s Wonder of the Day was inspired by Faith from roanoke, VA. Faith Wonders, “Why did women in olden times sew doilies for a wedding trunk?” Thanks for WONDERing with us, Faith! Have you ever seen ...

Today’s Wonder of the Day was inspired by Elizabeth. Elizabeth Wonders, “Why do we need trees?” Thanks for WONDERing with us, Elizabeth! Have you seen a tree today? Maybe there is a tall pine growing ...

March is Women's History Month, and Wonderopolis is proud to celebrate with Wonders of the Day about women who have made a lasting impact in our world. Explore these Wonders and check out the included ...