Senator Kevin Avard

Senator Kevin Avard

The New Hampshire State House has an open-door policy. The building is part museum – and visitors are welcome to take in the living history. But some of the most interesting places are kept under lock and key.

NHPR/Hannah McCarthy

It's a rite of passage in New Hampshire -- every year, hundreds of fourth graders make a pilgrimage to Concord for a State House tour. In this audio postcard, students from Woodland Heights Elementary School in Laconia learn the basics of law making -- and how to make their voices heard.

Scroll down for a 360 degree photo of the students in the N.H. Senate chamber.