Title: Visit Mercer County: 2026 Travel Guide for Mercer County, New Jersey | Expedia.com

[Mercer County Hotels](https://expedia.com/Destinations-In-Mercer-County.d553248635083909418.Hotel-Destinations)[Vacation Rentals in Mercer County](https://expedia.com/Destinations-In-Mercer-County.d553248635083909418.Vacation-Rental-Destinations)[Mercer County Flights](https://expedia.com/Destinations-In-Mercer-County.d553248635083909418.Flight-Destinations)[Things to do in Mercer County](https://expedia.com/Things-To-Do-In-Mercer-County.d553248635083909418.Travel-Guide-Activities)[Car Rentals in Mercer County](https://expedia.com/Destinations-In-Mercer-County.d553248635083909418.Car-Rental-Destinations)[Mercer County Vacations](https://expedia.com/Mercer-County.d553248635083909418.Destination-Travel-Guides)

# Mercer County, NJ

## New Jersey

![Aerial panorama of Trenton New Jersey skyline and state capitol. Trenton is the capital city of the U.S. state of New Jersey and the county seat of Mercer County.](https://images.trvl-media.com/place/553248635083909418/fafe51be-3ffb-414c-a268-c9cb19dcbd1d.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh)

![Aerial panorama of Trenton New Jersey skyline and state capitol. Trenton is the capital city of the U.S. state of New Jersey and the county seat of Mercer County.](https://images.trvl-media.com/place/553248635083909418/fafe51be-3ffb-414c-a268-c9cb19dcbd1d.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh)

![Spring in Princeton ](https://images.trvl-media.com/place/603263/5c7832da-ede6-4552-a274-6b85e66e751e.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh)

![This is the location of AT&T's "Pole Farm". In the early 1900's AT&T had their scientist's search out coordinates for the optimum area to send radio wave signals for telephone usage. After extensive research they chose this spot in my area for the construction of hundreds of telephone poles erected in a diamond shape pattern. 
         There was one pole per country and it was pointed toward that country, predominantly in Europe and the Caribbean. So, in the early 1940's, for example, when president Franklin Roosevelt wanted to discuss WW2 war strategy with Winston Churchill in London, their telephone signals would meet at this spot.
       There is only one pole that remains standing and it is believed to be pointed toward Tel Aviv, Israel.
       The beginning of the end for the "pole farm" was the launch of the first communications satellite in the early 1960's](https://images.trvl-media.com/place/183612/ba990722-f580-4a4c-a3ac-4ecd9a8c010f.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh)

![Nassau street in Princeton. Spring 2015](https://images.trvl-media.com/place/603263/789d1f83-2de7-426c-b994-35c421635771.jpg?impolicy=fcrop&w=1040&h=580&q=mediumHigh)

### Popular cities in Mercer County

[Princeton

Known for Dining, Shopping and Universities

](https://expedia.com/Princeton.dx603263)

Home of one of the nation’s acclaimed Ivy-League universities, this small colonial town offers history, performing arts and numerous festivals.

## Reasons to visit

- Princeton University
- Palmer Square
- Princeton University Stadium

[Explore City](https://expedia.com/Princeton.dx603263)[Find Hotels](https://expedia.com/Princeton-Hotels.d603263.Travel-Guide-Hotels)

[Trenton

Known for Theme parks, Dining and Adventure

](https://expedia.com/Trenton.dx6056692)

The state building and museum stand beside an impressive war memorial in the heart of this cultural hub that pays tribute to its military victories.

## Reasons to visit

- New Jersey State House
- Grounds For Sculpture
- New Jersey State Museum

[Explore City](https://expedia.com/Trenton.dx6056692)[Find Hotels](https://expedia.com/Trenton-Hotels.d6056692.Travel-Guide-Hotels)

[Princeton Junction

](https://expedia.com/Princeton-Junction.dx553248635976008534)

Check out the local area in Princeton Junction—home to attractions like The Boathouse at Mercer Lake and Mercer County Park.

## Reasons to visit

- Mercer County Park

[Explore City](https://expedia.com/Princeton-Junction.dx553248635976008534)[Find Hotels](https://expedia.com/Princeton-Junction-Hotels.d553248635976008534.Travel-Guide-Hotels)

[Pennington

Known for Forests and Flowers

](https://expedia.com/Pennington.dx183612)

Explore Pennington: its forests and more! 

[Explore City](https://expedia.com/Pennington.dx183612)[Find Hotels](https://expedia.com/Pennington-Hotels.d183612.Travel-Guide-Hotels)

[Lawrenceville

Known for Shopping, Dining and Business

](https://expedia.com/Lawrenceville.dx5949)

Come to Lawrenceville and enjoy its food, horseback riding, and adventures. 

[Explore City](https://expedia.com/Lawrenceville.dx5949)[Find Hotels](https://expedia.com/Lawrenceville-Hotels.d5949.Travel-Guide-Hotels)

[Hopewell

](https://expedia.com/Hopewell.dx553248634998752601)

Check out the local area in Hopewell—home to attractions like Hopewell Theater and Hopewell Public Library.

[Explore City](https://expedia.com/Hopewell.dx553248634998752601)[Find Hotels](https://expedia.com/Hopewell-Hotels.d553248634998752601.Travel-Guide-Hotels)

## Explore a world of travel with Expedia

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- [Hotels near Old Barracks Museum ](https://www.expedia.com/Old-Barracks-Museum-Hotels.0-l6093621-0.Travel-Guide-Filter-Hotels)
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- [Hotels near New Jersey State House ](https://www.expedia.com/New-Jersey-State-House-Hotels.0-l6093617-0.Travel-Guide-Filter-Hotels)
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- [Hotels near Cadwalader Park ](https://www.expedia.com/Cadwalader-Park-Hotels.0-l553248621532663718-0.Travel-Guide-Filter-Hotels)
- [Hotels near Rockville Climbing Center ](https://www.expedia.com/Rockville-Climbing-Center-Hotels.0-l553248621532663724-0.Travel-Guide-Filter-Hotels)
- [Hotels near Grounds For Sculpture ](https://www.expedia.com/Grounds-For-Sculpture-Hotels.0-l553248621532663725-0.Travel-Guide-Filter-Hotels)
- [Hotels near The College of New Jersey ](https://www.expedia.com/The-College-Of-New-Jersey-Hotels.0-l6093597-0.Travel-Guide-Filter-Hotels)
- [Ewing Hotels ](https://www.expedia.com/Ewing-Hotels.d6034173.Travel-Guide-Hotels)

- [Flights to Trenton ](https://www.expedia.com/Cheap-Flights-To-Trenton.d6056692.Travel-Guide-Flights)
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- [Flights from Mercer ](https://www.expedia.com/lp/airports/ttn/flights-from-mercer-airport)

- [Visit Trenton ](https://www.expedia.com/Trenton.dx6056692)
- [Trenton Vacations ](https://www.expedia.com/Trenton.d6056692.Destination-Travel-Guides)
- [New Jersey State House ](https://www.expedia.com/New-Jersey-State-House-Trenton.d6093617.Vacation-Attraction)
- [Old Barracks Museum ](https://www.expedia.com/Old-Barracks-Museum-Trenton.d6093621.Vacation-Attraction)
- [Trenton War Memorial Theater ](https://www.expedia.com/Trenton-War-Memorial-Theater-Trenton.d6093629.Vacation-Attraction)
- [Trenton Visitors Center ](https://www.expedia.com/Trenton-Visitors-Center-Trenton.d553248621561874750.Vacation-Attraction)
- [CURE Insurance Arena ](https://www.expedia.com/CURE-Insurance-Arena-Trenton.d6093627.Vacation-Attraction)
- [WWII Memorial ](https://www.expedia.com/WWII-Memorial-Trenton.d553248635212933216.Vacation-Attraction)
- [New Jersey State Museum ](https://www.expedia.com/New-Jersey-State-Museum-Trenton.d6179716.Vacation-Attraction)
- [New Jersey State Library ](https://www.expedia.com/New-Jersey-State-Library-Trenton.d6093619.Vacation-Attraction)
- [Mill Hill Playhouse ](https://www.expedia.com/Mill-Hill-Playhouse-Trenton.d553248621532663722.Vacation-Attraction)
- [Cadwalader Park ](https://www.expedia.com/Cadwalader-Park-Trenton.d553248621532663718.Vacation-Attraction)
- [Rockville Climbing Center ](https://www.expedia.com/Rockville-Climbing-Center-Trenton.d553248621532663724.Vacation-Attraction)
- [Grounds For Sculpture ](https://www.expedia.com/Grounds-For-Sculpture-Trenton.d553248621532663725.Vacation-Attraction)
- [Visit Ewing ](https://www.expedia.com/Ewing.dx6034173)
- [The College of New Jersey ](https://www.expedia.com/The-College-Of-New-Jersey-Trenton.d6093597.Vacation-Attraction)
- [Visit White Horse ](https://www.expedia.com/Trenton-White-Horse.dx174169)
- [Visit Mercerville ](https://www.expedia.com/Mercerville.dx3000447373)

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- [Car rentals near The College of New Jersey ](https://www.expedia.com/Car-Rentals-In-The-College-Of-New-Jersey.d6093597.Car-Rental-Guide)

- [Trenton Vacation Rentals ](https://www.expedia.com/Trenton-Vacation-Rentals.d6056692.Travel-Guide-VacationRentals)

- [Things to do in Trenton ](https://www.expedia.com/Things-To-Do-In-Trenton.d6056692.Travel-Guide-Activities)

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