Newark Liberty International Airport is located in Newark, New Jersey, and there are many Newark Airport things to do nearby. Here are some suggestions:

• Visit the Jersey Gardens Outlet Mall: This outlet mall is located near Newark Airport and has over 200 stores, including designer brands like Coach, Michael Kors, and Calvin Klein. You can shop for clothes, accessories, and more at discounted prices.

• Explore the Cathedral Basilica of the Sacred Heart: This stunning cathedral is located in Newark and is the fifth-largest cathedral in North America. The cathedral features intricate stained glass windows, marble sculptures, and a beautiful pipe organ.

• Visit the Thomas Edison National Historical Park: This park is located in West Orange, New Jersey, and is dedicated to the life and work of Thomas Edison, the inventor of the light bulb. You can tour Edison's laboratory, see his inventions, and learn more about his life and legacy.

• See a show at the New Jersey Performing Arts Center: The New Jersey Performing Arts Center is located in downtown Newark and hosts a variety of performances, including concerts, plays, and dance shows.

• Explore the Branch Brook Park: This park is located in Newark and is home to over 5,000 cherry trees, making it one of the largest collections of cherry blossoms in the United States. You can walk or bike along the park's trails and enjoy the beautiful scenery.

• Visit the Prudential Center: This arena is located in downtown Newark and is home to the New Jersey Devils hockey team. It also hosts concerts, family shows, and other events throughout the year.

• Check out the Newark Ironbound District: This historic neighborhood is known for its Portuguese and Spanish cuisine, as well as its vibrant nightlife. You can explore the area's shops, restaurants, and bars.

• Visit Liberty State Park: This park is located across the Hudson River from Manhattan and offers stunning views of the New York City skyline. You can also visit historic landmarks like the Empty Sky 9/11 Memorial and the Central Railroad of New Jersey Terminal.

• Take a guided tour of Newark: You can take a guided tour of Newark to learn more about the city's history and culture. Some of the highlights of the tour include the Newark Museum, the Ironbound neighborhood, and the Prudential Center.

• Go hiking at the South Mountain Reservation: This nature reserve is located in West Orange, New Jersey, and has miles of hiking trails, picnic areas, and scenic viewpoints.