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Thaddeus Kosciuszko National MemorialPhoto of Thaddeus Kosciuszko National Memorial
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Thaddeus Kosciuszko National Memorial

Visit the house where wounded Polish freedom fighter Thaddeus Kosciuszko lived and hear how this brilliant military engineer designed successful fortifications during the American Revolution. See the room where he received notable visitors such as Chief Little Turtle and Thomas Jefferson, who said he was “as pure a son of liberty, as I have ever known...”
 
Drawing of Kosciuszko

Thaddeus Kosciuszko now open!

The site address is 3rd & Pine Streets.

Operating hours will be Wednesday - Sunday, 12-4pm. Admission is free!

 
 
 
 

Write to

INHP, 143 S. Third Street
Philadelphia, Pennsylvania 19106

E-mail Us

Phone

Visitor Information
(215) 597-7130

Fax

(215) 597-0321

Climate

Four distinct seasons with moderately cold winter and hot, humid summer. January average temperature, 33 degrees Fahrenheit; July average temperature, 75 degrees; average yearly rainfall, 41 inches; normal seasonal snowfall, 21 inches.
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Black and white Carleton Watkins photograph, showing Yosemite's massive granite Cathedral Rock. Billings Family Archives.  

Did You Know?
Frederick Law Olmsted Sr. wrote to George Perkins Marsh in 1857, asking his advice on promoting "free soil" settlement in Texas to challenge the westward expansion of slavery. Strongly anti-slavery, both men would also champion land stewardship and public access to places like Yosemite Valley.

Last Updated: April 13, 2009 at 12:14 EST