The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

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

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

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

This historic old movie house was the scene of one of the Blob's most iconic attacks.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

A gigantic 10-foot tall stone man.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

Why have you never heard of the second most popular tourist site in New York?