Exploring A Secret Museum In

From the mystery of a king's madness to a silver chalice some think is the Holy Grail, discover the

Watch more: https://to.pbs.org/3mHxfbj | #SecretsDeadPBS A mysterious ancient city lies

Watch Xavier Riddle and the

With over 100 rooms to

We're going on an insider tour of the Metropolitan

My Gear: Mini Tripod: https://amzn.to/2I964SA Memory Card: https://amzn.to/2MStyfu Sony AX-53: http://amzn.to/2gqMamm ...

I had a friend tell me about this

Johann Sebastian Bach shows Xavier, Brad, and Yadina how a pipe organ works!

In this episode we go behind the velvet ropes of the world's most famous

Goes behind the fortified walls of the Vatican

We investigate the

Xavier, Brad and Yadina are spending a night at the

Jackie Robinson shows Xavier that when something isn't right, it takes courage to change it. #PBSKIDS #XavierRiddle ...

From a medieval hand-grenade to an extremely rare dinosaur, discover the

Deep beneath the world's most famous

Go inside the vaults of the Smithsonian Institution to uncover the

Celebrate Asian American and Native Hawaiian/Pacific Islander Month by meeting Queen Lili'uokalani of Hawaii in this full ...

From ancient athletes who kick a severed head to a peasant dress that brings down an empire, discover the