In our final celebration of the year, we commemorated Japanese New Year -- with a dive into medieval Japanese history, Otoshidama, and an extra special trip to Manzanar National Historic Site to learn about the Japanese-American incarceration. (In a shock

Next up, we're going back to the beginnings of Islam, learning about the celebration of Eid Al Adha, and taking our first trip to a mosque. (Spoiler alert: Addi Sage also makes it about animals.)

On this leg of our journey through the ages, we're looking at the history of Christianity, how Orthodox Easter came to be, and some very special people who, unfortunately, aren't getting the Orthodox Easter celebration they would hope for.

We're at it again on our journey through the ages, but this time it's an intersection between past and present! Next stop: Ancient China and the Winter Olympics.

Addi Sage and Lindsay journey through the ages once again! First stop: Buddhism and Parinirvana Day.

Addi Sage and Lindsay wrap up the 5th and final lesson of BigHistoryProject.com on the Modern Revolution.

Addi Sage and Lindsay cruise on through Lesson 4 of the BigHistoryProject.com

Addi Sage and Lindsay tackle Lesson 3 of the BigHistoryProject.com as life comes on the scene.

Addi Sage and Lindsay continue on with Lesson 2 of BigHistoryProject.com

Addi Sage and Lindsay begin their journey through the BigHistoryProject.com with the universe, stars, and Mendeleev.