Things to do in New Castle, Delaware
- New Castle was originally known as Fort Casimir under the Dutch, then Fort Trinity under the Swedes, before being renamed by the British.
- The city's historic center contains an unusual 'Horse Shoe' layout of streets that reflects its Dutch planning heritage rather than the typical English grid.
- New Castle was the original site of the Delaware state capital before the government moved to Dover in 1777 to be further inland from potential British naval attacks.
- The city shares a unique legal border quirk with New Jersey where the boundary follows the low-water mark on the Jersey shore rather than the center of the river, dating back to a 17th-century land grant.
About New Castle, Delaware
New Castle, Delaware, is a colonial-era riverside city founded by the Dutch in 1651, serving as Delaware's capital until 1777. The historic district features a remarkably dense concentration of 18th-century architecture, anchored by the New Castle Court House Museum. Visitors can explore the city's complex colonial heritage at the Amstel House Museum or enjoy open green spaces along the water at New Castle Battery Park. It remains one of the few places in the United States where the original 17th-century street grid remains largely intact.
Highlights of New Castle, Delaware
The places our editors single out — and why they're worth your time.
Parks
This riverside park provides panoramic views of the Delaware River and connects to the city's historic walking trails.
Museums
This building served as the colonial capital's seat of government and is one of the oldest courthouse structures in the nation.
Museums
This 1730s mansion offers a detailed look at the domestic life and social history of Delaware's early colonial elite.
Museums
It is one of the oldest surviving houses in the state, showcasing authentic 17th-century Dutch architectural techniques.
Historical places
This site protects significant landmarks that trace the evolution of Delaware's role in the formation of the American government.
Places of interest
This massive twin-span suspension bridge is a vital regional landmark connecting Delaware to New Jersey.
Museums
This site serves as an important historical landmark where George Washington reportedly met with local leaders.
Museums
The gallery features contemporary exhibitions and local artistic works housed within a renovated historic space.
Top things to do in New Castle, Delaware
The 28 highest-rated places in New Castle, Delaware, ranked by travellers.
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Parks
New Castle Battery Park is a riverfront public space situated along the Delaware River in the historic district of New C...
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Zoos
Established in 1934, Cohanzick Zoo holds the title of New Jersey's first zoo. It is situated within the expansive 1,100-...
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Parks
Fort Mott State Park is a decommissioned coastal defense fortification located on the eastern bank of the Delaware River...
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Places of interest
The Delaware Memorial Bridge is a twin-span suspension bridge system connecting New Castle, Delaware, to Pennsville, New...
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Natural attractions
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New Castle, Delaware on the map
Top attractions plotted across the city.
Plan your visit to New Castle, Delaware
Spring and early autumn offer the most temperate weather for walking the city's cobblestone streets and visiting outdoor park spaces.
1-2 days, as the core historic district and major museums are clustered within a small, walkable footprint.
The historic district is highly walkable, though a car is recommended for reaching nearby sites like the Delaware Memorial Bridge or Fort Mott State Park.
Stay within the Historic District to be within walking distance of the colonial architecture and the riverfront.
Mid-range; while the historic sites are affordable, lodging in the heart of the preserved district is limited and carries a premium.
Frequently asked
Aventuro lists 28 curated attractions in and around New Castle, Delaware, ranked by traveller ratings.
New Castle Battery Park is the highest-rated place to visit in New Castle, Delaware right now.
The largest category is parks, with 7 places to explore.
Travellers also explore Bayonne, New Jersey, Downtown Los Angeles, Washington, D.C..
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