We get it, life is expensive. Sometimes you just want to go out without having to worry about any additional expenses. Lucky for you we don’t charge admission to our piece of paradise. You can build beautiful memories without breaking the bank. See all of our top places to visit in Mercer County for FREE!


354 Stockton St., Princeton, NJ

Explore the stately halls of this historic location, which is not only a house museum but the official residence of the governor of New Jersey. The land was once owned by William Penn, and the mansion itself dates back to the early 1800s, when Charles Smith Olden, a state senator and then governor, lived in the residence.

Be sure to make a reservation in advance for the free guided tour. Free parking is also available. 

Exterior of Drumthwacket, the governor's mansion, near Princeton, NJ

Sayen Botanical Gardens

155 Hughes Drive, Hamilton Township, NJ

A beautiful, welcoming sanctuary for nature lovers, garden enthusiasts and history buffs alike. Come enjoy thousands of flowering bulbs, dogwoods, azaleas and more while walking the beautifully landscaped walking paths, fountains, bridges, lakes and gazebos.

Sayen Botanical Gardens in Princeton, NJ


Hiking Trails

Mercer County has a myriad of great hiking trails. We have top picks for experienced hikers, those just looking to stroll, bikers and more. Find out for yourself what makes Mercer County a hiker's paradise.

Smiling young lady on a hiking trail near Princeton, NJ.

Princeton University Art Museum

Location: Elm Drive, Princeton (located on the University Campus. Follow lamp post museum banners)

Open: Tuesday - Sunday; See website for specific hours

An impressive and well-curated collection of art from regions around the world. They offer informative tours on the weekends, but you’re free to visit at any time during their museum hours. On Saturday’s they have morning Family Time, which includes an activity followed by a related art project. Admission is free and donations are welcome.


Statue of trapeze artists at the Princeton University Art Museum



Mercer County Park

Location: 1638 Old Trenton Road, West Windsor

Skip on over to MC Park with over 2,500 acres of year-round facilities. Includes both active and passive recreational opportunities for all ages. Pack a picnic, go for a walk on the beautiful trails, kayak on the lake, play tennis…ideas are endless and you’ll get to soak in the beautiful fresh air.

Explore all of Mercer County's top hiking spots..


Mercer County Park Boathouse



Lake Carnegie

Location: Corner of Washington Road (Route 571) and Faculty Road, Princeton

Determined to be in the water? Visit Princeton’s most pristine, open and natural space. Enjoy canoeing, kayaking, rowing, fishing or walking its shores. One of the lake’s most famous visitors: Princeton’s own Albert Einstein!


Rowers racing on Lake Carnegie near Princeton, NJ



Howell Living History Farm

Location: 70 Woodens Lane, Hopewell Twp.


With over 250 years of being in operation, this farm is known to leave you
with an outstanding impression of how life was in the past. You’ll get to see many happy animals and enjoy many fun activities.


Man leading a horse at the Howell Living History Farm



Princeton University

Location: FitzRandolph Gate - Nassau Street, Princeton

Wander around the stunning campus and take in the beautiful architecture and landscaping. Check out our insider's guide for top spots to visit within the university gates.


Princeton Fitz Randolph Gate