L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A 19th-century architectural masterpiece with ties to Gustave Eiffel.

The abandoned coal loading dock is a canvas for unsanctioned art.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

Designed by Horace Trumbauer in 1893, this Gothic-style castle is now a home for academics.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

This giant disembodied horse head seems to balance impossibly on its nose.