Museum Secrets, a five-part series premiering 8 p.m. Wednesday, Dec. 16 on PBS Wisconsin, travels to the world’s most famous museums in search of weird, wonderful, amazing and fascinating stories connected with both the well-known and the more obscure exhibits held in their collections.

Inside the Louvre

8 p.m. Wednesday, Dec. 16

From murdered kings to stolen masterpieces, discover the secrets inside the Louvre in Paris, which is home to 35,000 objects from the prehistoric era to the 19th century.

Inside the ROM

9 p.m. Wednesday, Dec. 16

This eye-popping Toronto landmark is a national treasure chest – it’s Canada’s largest museum of culture, archeology and natural history. Learn about everything from a medieval hand grenade to an extremely rare dinosaur.

Inside the Egyptian Museum

8 p.m. Wednesday, Dec. 23

Cairo’s Museum of Egyptian Antiquities boasts the world’s largest collection of Pharaonic antiquities. In this episode, hear about the mystery of a pharaoh’s gold and the strange practice of animal mummification.

Inside the Natural History Museum

9 p.m. Wednesday, Dec. 23

London’s Natural History Museum is a cathedral of nature, housing strange creatures that inhabit the ocean depths and meteorites from far away worlds. Hear the secrets of Darwin’s original specimens and a lost workshop that inspired James Bond.

Inside the Met

8 p.m. Wednesday, Dec. 30

The Metropolitan Museum of Art in New York City is one of the world’s largest art galleries, boasting more than two million works from prehistory to the present day. Here, discover the mystery of a king’s madness and a silver chalice some think is the Holy Grail.