Each Fourth of July, as the night sky erupts in dazzling bursts of color, families gather on blankets, children twirl with sparklers held high, and neighbors glance upward with shared wonder.

On New Year's Eve, Mount Penn becomes the city’s biggest stage, with fireworks, music, and thousands of people looking up together.

For those looking to start off the new year with a bang, luckily, Massachusetts will host various fireworks shows on New Year ...