Elevated freight railway turned wildly successful urban park.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

The first American department store, and home to the largest operating musical instrument in the world.

A former waterfront market is now in the center of town due to some interesting Boston engineering.