While the facility is open year-round (except Christmas), hours vary depending on the season, ranging anywhere from 9 am to 11 pm.

Hershey's Chocolate World was built as a replacement of the Hershey chocolate plant tour, which had reached its capacity and no longer was able to handle the large numbers of visitors per year. The facility opened on June 30, 1973, and took inspiration from World's Fair pavilions.

Through its first year of operations, Chocolate World had over 1.4 million visitors. In its first thirteen years of operation, the visitor's center received 20 million visitors.

Hershey's Chocolate Tour – An Endless Transit System-style dark ride special system. This ride is an original attraction, showing a simulation of the chocolate making process. Since opening, the ride has been updated numerous times, and as of 2016, the ride features multiple singing cows. The tour is free of charge and concludes with a free sample of a Hershey's product. A ride photo is available for purchase.

Create-Your-Own Candy Bar – A factory experience attraction for all ages. Guests wear a hair-net and apron as they enter an actual manufacturing line atmosphere and will get to choose from a number of inclusion ingredients to add to their own personal chocolate bar. As the bar makes its journey down the assembly line, guests will design and personalize the package that their bar will be placed in.

Hershey Trolley Works – Most commonly spotted on the streets of Hershey is the fern green, old-fashioned trolley. Added in 1988, the trolley, with singing conductors, departs for a round-trip tour of the town of Hershey, pointing out historical and cultural observations along the way. Shows leave throughout the day and paid admission is required for this attraction. The 60-minute "History and Chocolate Tour" is available year-round, the entertaining "Trolley Adventure" tour runs from Memorial Day to Labor Day, and the "Christmas Adventure" shows during the Christmas season.

Hershey's Great Chocolate Factory Mystery in 4D – This attraction replaces the Really Big 3-D Show and features Hershey, Reese, and Kiss. The show is a collaboration between The Hershey Company and Jim Henson's Creature Shop and The Henson Digital Puppetry Studio. The show is designed as an interactive experience with Hershey product characters with a reported 100+ versions of the story. This show also features the new redesigned Hershey Product Characters.

Hershey's Unwrapped – This attraction is a 30-minute theatrical show at the “Hershey Academy.”

The rest of Hershey's Chocolate World contains various shops selling Hershey souvenirs and chocolate, and several counter service meal locations (Bake Shoppe, Hershey's Courtyard Food Court, and Hershey's Ice Cream Shop).

The main candy store is one of the largest stores of its kind in the world selling Hershey's products including new items not widely released, and premium chocolate brands such as Scharffen Berger Chocolate.

The Hershey Company, commonly known as Hershey's, (NYSE: HSY) is an American multinational company and one of the largest chocolate manufacturers in the world. It also manufactures baked products, such as cookies and cakes, and sells beverages like milkshakes, and many more that are produced globally.

Its headquarters are in Hershey, Pennsylvania, which is also home to Hersheypark and Hershey's Chocolate World. It was founded by Milton S. Hershey in 1894 as the Hershey Chocolate Company, a subsidiary of his Lancaster Caramel Company.

Hershey's chocolate is available across the United States, and in over 60 countries worldwide.

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