Roadside Historical Markers Listing

168 properties found

Subject	City	State
Tallest Building in the Colonies, 1754-1810: Christ Church	Philadelphia	Pennsylvania
Conkling-Armstrong House - Terra-cotta-rama	Philadelphia	Pennsylvania
Secret spaces inside Ben Franklin Bridge	Philadelphia	Pennsylvania
Sculptural Passageway of Rohm & Haas Headquarters	Philadelphia	Pennsylvania
Philadelphia's First Skyscraper	Philadelphia	Pennsylvania
PFCU Building - A Modernist Gem	Philadelphia	Pennsylvania
Perkasie Tunnel - once world's longest railroad tunnel	Perkasie	Pennsylvania
City in Pete Seeger's Little Boxes	Westlake	California
Clever House, by Louis Kahn, is here.	Cherry Hill	New Jersey
Banca D'Italia was here (South Philly).	Philadelphia	Pennsylvania

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