Thomas Edison's home and final resting place also boasts an impressive garage, where some of the earliest electric cars are on display.

An unusual assortment of steerable wooden sleds is on display in a library in New Jersey where they were first invented.

Vintage cars and motorcycles race for glory in a throwback motorsport celebration on the Jersey shore.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

Step inside Lucy, the world's largest "elephant."