• What are the families of instruments?
  • How do pianos work?
  • What family of instruments is the piano in?
Find it out

This Wonder was mostly about...

Test your knowledge
  • Have you ever been to the Big Apple?
  • How did New York City get its nickname?
  • How big is the Big Apple?
Find it out

There are over ______ million people in the greater New York Metropolitan Area.

Test your knowledge
  • Where in the world would you wander?
  • What are some of the most fantastic places on Earth?
  • Can you wander without traveling far?
Find it out

Which of the following is a sight you might see on Lord Howe Island in Australia?

Test your knowledge
  • What do you eat on a keto diet? 
  • How does the keto diet work?
  • Is the keto diet healthy?
Find it out

Which of the following is NOT true about the keto diet?

Test your knowledge
  • What is a Caesar Cipher?
  • What is cryptography?
  • How is the Caesar Cipher used today?
Find it out

Who was the Caesar Cipher named after?

Test your knowledge

Where are You Wondering?

Discover Wonder Hotspots nearby and join!


What Are You Wondering?

Join in the Wonder Creation

Make YOUR wonder a wonderful reality!


...Questions in the Wonder Bank and counting! Here are the latest...

Latest from the Wonder Bank

  • what does supercalifragilisticexpialidocious mean?
  • what does supercalifragilisticexpialidocious mean
  • what is pneumonoultramicroscopicsilicovolcanoconiosis
  • why doesnt wonderopolis have wonders about minecraft
  • what is a MG 42 machine gun
  • What are the deathly hallows?
  • Are ghosts real?
  • why do we have school
  • What's the largest battleship?
  • Are there such things as a White Holes?
  • Why do dogs turn around 3 times before laying down?
  • What are pokemon
  • what is big foot
  • How many breeds of cat are there?
    Still Shadefern
  • When will we get teleportation
  • why people are doeing keto diet
  • What is the scariest place on earth
  • Does anyone actually know pi?
  • How to roll your R's
  • Where are the baby pigeons?
  • why do you have to pay bills for your house
  • how is plastic made?
  • Who created football?
  • how fast is flash
  • are there animals in the mountains?
  • Why are there so many stars?
  • Who created homework and why
  • what is the bite force of a megalodon
  • What is kasen
  • What is the most popleur video game in the world
View all questions in the Wonder Bank

Top Nominated Wonder Questions:

  • +2337

    Why are only certain animals our pets?

    teagan — AL

  • +58

    Why do Olympians bite their medals?

    Sam — Glen Allen, VA

  • +50

    What causes blindness?

    Katherine — Owatonna, MN

  • +46

    How does weeds grow?

    Rafiul — Sydney, AL

  • +38

    How many animals are on earth?

    helaina — clearwater, FL

  • +35

    Why does a slinky get tangled so easily and is so hard to untangle?

    Terry — Garner, NC

Vote for wonder nominees

Explore the World of Wonders

Discover the latest Wonders from ARTS & CULTURE: Art & Culture, Music, Piano, Instrument, String, Percussion, and more

Wonderopolis #23

Who Painted the Sistine Chapel?

What would you do if someone asked you to spend the next four years working with your arms raised above your head? Sounds like a form of medieval torture?

Wonderopolis #27

What Would You Do on a Staycation?

You don't have to travel to an exotic land or make reservations at a fancy hotel to take your family on an overnight getaway once the weekend rolls around. There's plenty of adventure to be had just b...

Wonderopolis #14

Why Does Jell-O Jiggle?

Over the course of his life, Peter Cooper built a very diverse resume. A former presidential candidate and designer of the first steam locomotive, Cooper also held the first patent for the manufacture...

Wonderopolis #15

Why Do Superheroes Have Secret Identities?

What's that? Up there in the sky! It is a bird? Could it be a plane? No! It's Superman! He's coming to save the day. Criminals and villains had best beware. Superman will not tolerate any evil shenani...

Spread the Joy of Wonder

Wonderopolis Widget

Interested in sharing Wonderopolis® every day? Want to add a little wonder to your website? Help spread the wonder of families learning together.

Add widget

Wonderopolis Partners & Sponsors


Spread the Joy of Wonder

Wonderopolis Widget

Interested in sharing Wonderopolis® every day? Want to add a little wonder to your website? Help spread the wonder of families learning together.

Add widget