Edward "Egg" Garrison is excited to take pictures in the Grand Canyon on a field trip, but like always, mysteries get in the way!

Things get mysterious when Cat and her friends visit Mount Rushmore.

Egg finds out that caves are a perfect place for a mystery.

Samantha "Sam" Archer, her friends, and their "kindergarten buddies" are on a trip to the River City Children's Museum, which has been plagued by vandalism, and