PA Counties

13 Must-See Attractions in Union County

Rusty Glessner

Collage featuring four Union County attractions: a historic horse-drawn buggy on display inside a museum, two people sitting on a wooden swing facing a scenic lakeside view, a red covered bridge in a snowy rural landscape, and the exterior of a large antique store labeled Lewisburg Antiques

If you’re looking for the best things to see and do in Union County, you’re in the right place!

Map of Pennsylvania displaying all county boundaries with Union County highlighted in red near the central region while the remaining counties are shown in a light cream color against a black background

The county was established in 1813 and is named in honor of the Federal Union.

Close-up of a blue and gold Pennsylvania historical marker detailing the formation and history of Union County, with trees and buildings faintly visible in the background

The county seat is Lewisburg, home to Bucknell University.

Historic brick courthouse in Union County with tall white columns, a central staircase, and a cupola under overcast skies, with parked vehicles and late autumn trees in the foreground — The Union County courthouse in Lewisburg.

From state parks and scenic overlooks to covered bridges and museums, here are 13 of the best things to see and do in Union County.

Simply click on the blue text links on the map above or in the descriptions below to read more in-depth information about each destination.

Fall foliage along the beach at RB Winter State Park in Union County, PA. — Fall foliage along the beach at RB Winter State Park in Union County.

1. Mifflinburg Buggy Museum

The Mifflinburg Buggy Museum offers a fascinating glimpse into the 19th century, preserving the only intact carriage factory complex in the United States.

A collage of four images from the Mifflinburg Buggy Museum. The top left image shows a maroon-seated buggy displayed in the museum's main exhibit area, with informational panels about Mifflinburg's buggy-making history. The top right image captures a tour guide demonstrating how buggy wheels were made using a vintage machine inside the factory. The bottom left image displays a collection of colorful buggies, including a green U.S. Mail buggy, set against a stone wall inside the museum. The bottom right image features the visitor center sign for the Mifflinburg Buggy Museum, under a bright blue sky.

The museum complex includes the home, factory, and showroom of William A. Heiss, a prominent buggy maker, as well as a modern visitor center.

The exterior of the William A. Heiss Coach Factory at the Mifflinburg Buggy Museum, a two-story wooden building with weathered siding and multiple windows. A sign above the entrance reads "Wm. A. Heiss Coachmaker." The building is surrounded by tall trees, and sunlight filters through, casting shadows on the rustic structure. The sloped wooden ramp on the side adds to the historic feel of the building, which was once used for constructing horse-drawn carriages in the 19th century.

2. RB Winter State Park

RB Winter State Park is a 695 acre recreational area located in western Union County, near the Centre County line.

Exploring RB Winter State Park in Union County PA.

The park lies in a shallow basin, completely surrounded by the rocky ridges of the Bald Eagle State Forest.

Fall foliage as viewed from the RB Winter State Park scenic overlook.

The focal point of the park is Halfway Lake, a seven acre lake which is filled by spring-fed mountain streams.

3. Sand Bridge State Park

Spanning just 3 acres, Sand Bridge State Park in Union County is the smallest state park in Pennsylvania!

Exploring Sand Bridge State Park the smallest state park in Pennsylvania.

The park is primarily used as a roadside picnic area; the three picnic pavilions there were built by workers from the Civilian Conservation Corps during the Great Depression.

A rustic picnic pavilion in Sand Bridge State Park, Union County, Pennsylvania, set among a forest with autumn colors. The pavilion has a dark brown roof and matching wooden support beams, with open sides for park visitors to enjoy the surrounding nature. The ground is carpeted with dry leaves in shades of brown, orange, and yellow, reflecting the changing season.

4. Abandoned Alvira Munitions Bunkers

The abandoned Alvira munitions bunkers are remnants of the American WWII war effort, as well as reminders of what lengths the federal government will go to to seize private property for “the greater good”.

Inside one of the abandoned Alvira bunkers.

In the case of Alvira (originally founded as Wisetown in 1825), the federal government used the courts and eminent domain to force residents to accept buyouts of their homes, so that their entire town could be leveled and turned into a TNT manufacturing plant and storage facility known as the Pennsylvania Ordnance Works.

Sign at the site of Alvira and the abandoned munitions bunkers in Union County PA — Sign at the site of Alvira and the abandoned munitions bunkers in Union County

Today, the Alvira bunkers, as well as remnants of Wisetown, are located in the Union County portion of State Game Lands 252, approximately 7 miles south of Williamsport.

5. Hassenplug Covered Bridge

The Hassenplug Covered Bridge in Mifflinburg is the oldest existing covered bridge in Pennsylvania, and believed to be the second-oldest covered bridge in the United States!

Exploring the Hassenplug Covered Bridge the oldest covered bridge in PA.

6. Factory Covered Bridge

Factory Covered Bridge, located along Gray Hill Road in Union County just west of the I-80/Route 15 interchange, is a still-drivable span named for a long-gone woolen mill that once stood beside it.

Factory Covered Bridge over White Deer Creek.

7. Hayes Covered Bridge

Hayes Covered Bridge, built across Buffalo Creek in 1882 just west of Mifflinburg, is still open to passenger vehicles under 6 feet 6 inches tall, while taller traffic uses a bypass that loops around it.

Approaching Hayes Covered Bridge on Hoover Road in Union County.

8. Millmont Covered Bridge

The Millmont Covered Bridge, built in 1855, has the distinction of being the longest covered bridge in Union County.

The Millmont Covered Bridge is also known as the Millmont Red Bridge.

9. Lewisburg Antique Malls

Lewisburg Antique Malls is a trio of expansive, multi-vendor antique stores, all conveniently located within a few hundred yards of each other, and all situated just off Route 15 in Lewisburg.

10. Rollermills Antique Marketplace

Rollermills Antique Marketplac e in Lewisburg features 400 dealers housed in a restored 1883 flour mill originally built by Cyrus Hoffa, offering a vast array of antiques and collectibles.

A collage of four photos highlighting Rollermills Antique Marketplace in Lewisburg, PA, featuring an exterior view of the historic 1880s flour mill, an overhead look at vendor booths filled with antiques and collectibles, a cozy display of vintage artwork and home decor within rustic wooden beams, and an aisle lined with glass display cases showcasing antique glassware, figurines, and memorabilia.

11. The Street of Shops

Housed in a historic building in Lewisburg that once served as a garment manufacturing facility and later a furniture assembly factory, the Street of Shops features more than 500 vendors, showcasing everything from vintage treasures to handcrafted primitives.

A collage of four photos showcasing the Street of Shops antique marketplace in Lewisburg, PA. The top left image shows the exterior of the historic red-brick building, featuring green-and-red striped awnings, a welcoming "OPEN" flag, and a sign advertising over 500 shops inside. The top right image highlights a vendor booth filled with vintage wall clocks, rustic wooden shelves, and decorative home goods. The bottom left image captures glass display cases filled with vintage collectibles such as jewelry, ceramics, and glassware, set against the backdrop of rustic wooden floors and exposed beams. The bottom right image shows an inviting hallway with vendor booths styled as storefronts, featuring cozy displays, glass cases, and a sign advertising Italian lemon cake.

12. Mifflinburg Christkindl Market

The Mifflinburg Christkindl Market is billed as “the oldest authentic outdoor German Christmas market in the United States.”

Exploring the Mifflinburg Christkindl Market in Union County Pennsylvania.

This vibrant 3-day celebration of the Christmas season features authentic German food and drinks, live performances, and more than 100 arts and crafts vendors set up in outdoor huts in the heart of Mifflinburg.

Crowded scene of visitors enjoying the Mifflinburg Christkindl Market in Mifflinburg, Pennsylvania, with a decorative windmill, "Happy Holidays" sign, white church steeple in the background, and people mingling under a clear blue sky.

13. Shikellamy State Park

The older, 78 acre portion of Shikellamy State Park is located in Union County; the newer, 54-acre portion of the park features a marina on the southern end of Packer Island in Northumberland County.

Nearby Attractions

11 Must-See Attractions in Lycoming County is your guide to the best things to see and do in Union County’s neighbor to the north.

The Best Things to See and Do in Lycoming County Pennsylvania

11 Must-See Attractions in Mifflin County is your guide to the best things to see and do in Union County’s neighbor to the southwest.

38 Must-See Attractions in Centre County is your guide to the best things to see and do in Union County’s neighbor to the west.

The best things to see and do in Centre County PA.

13 Must-See Attractions in Clinton County is your guide to the best things to see and do in Union County’s neighbor to the northwest.

The Best Things to Do in Clinton County Pennsylvania

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