Top 5 Must-Visit Historical Attractions in New Castle, Delaware

Between New York and Washington lies Philadelphia—and just a bit downstream on the Delaware River, you'll find New Castle. Known as the oldest town in the Delaware Valley along the river, New Castle is sometimes affectionately called “Old New Castle” to distinguish it from other cities with the same name across the United States. Old or new—what exactly is it? That’s part of the charm.
If you're planning a trip to Delaware, this historic gem deserves a spot on your itinerary. Here are 5 must-visit attractions in New Castle, Delaware, where American colonial history and riverside beauty blend seamlessly.

1. Read House and Gardens

Located near the riverfront of New Castle, Delaware, the Read House and Gardens is a captivating historical site built in 1793. This 22-room Georgian-Federal transitional mansion was once home to George Read II, a prominent lawyer in early post-independence America. The house is a prime example of the architectural shift from Georgian to Federal styles, making it a must-see for history and design enthusiasts.
Surrounding the stately home is a beautifully maintained 1.5-acre garden, offering visitors a serene experience in the heart of downtown New Castle. As one of the city's iconic landmarks, the Read House reflects the charm and story of “Old” New Castle. Don’t miss the opportunity to walk through centuries of American history in this living museum.

2. The Dutch House

The Dutch House, translated from Japanese as “House of Holland,” is one of the oldest surviving buildings in New Castle, Delaware. Built around 1700, this historic structure is known for its humble yet charming architecture. Unlike the grand Reed House, the Dutch House reflects the modest lifestyle of early settlers—it’s not large, but it radiates a welcoming and down-to-earth atmosphere.
Originally a private residence until 1937, the house was restored in 1938 by the Delaware Antique Society. Because it retains the original colonial-style architecture from the early days of New Castle, it’s often referred to as the “Old Dutch House.” Today, it stands as a popular tourist attraction and a valuable cultural heritage site.
The Dutch House is open to the general public, but tickets must be purchased at the nearby Visitor Center, located just one block over.

3. Battery Park

New Castle is a town that once flourished due to its location along the Delaware River and its vibrant maritime trade. However, with the expansion of inland railroads, its harbor quickly declined in importance.
Battery Park is a scenic green space along the Delaware River, symbolizing the historical relationship between the town and the river. Visitors can enjoy relaxing activities like walking, jogging, picnicking, fishing, or reading in a tranquil riverside setting.
Waterfowl often grace the waterfront, and both tourists and locals come to this peaceful retreat to unwind. The name “Battery” refers to a type of military fortification equipped with cannons. Although there were plans to build such a battery in New Castle, they were never carried out.

4. Old Library Museum

The Old Library Museum stands out with its striking red-brick, hexagonal structure—an architectural treasure built in 1892 to house the collections of the New Castle Library Company.
Designed by renowned Philadelphia architect Frank Furness, the building captivates visitors not only with its exterior but also with its intricate wooden interior furnishings. Located right next to the historic Dutch House, this museum is a must-visit during your tour of New Castle, Delaware. Don't miss the chance to explore this heritage site that blends history, design, and local legacy.

5. New Castle Court House Museum

The New Castle Court House Museum is a historic landmark originally built in 1730. It was first constructed in 1700 as a combination state capitol and courthouse. Unfortunately, much of the original structure was destroyed in a fire in 1729.
Today, this site offers guided tours (by reservation only), giving visitors the chance to explore the courtroom and learn in-depth about New Castle's political and judicial history. With expert guides, you’ll gain a deeper appreciation of the colonial and legal legacy of Delaware.

◎ Summary

Discover the timeless charm of New Castle, Delaware, a historic town filled with beautifully preserved buildings and scenic gardens. Step into a world where American heritage lives on, and understand why it’s known as Old New Castle. Nestled along the riverbank, this tranquil town offers peaceful moments surrounded by nature—perfect for a leisurely stroll with a book in hand. Whether you’re visiting Philadelphia, Washington, D.C., or Wilmington, make sure to include a visit to New Castle in your travel itinerary and experience the rich culture that has been cherished for generations.

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Top 5 Must-Visit Historical Attractions in New Castle, Delaware