New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

The home of the first American-born saint is one of the only curved buildings in New York.

An abandoned asylum incorporated into a college campus.

Opulent downtown movie theater now houses cars as an indoor parking garage.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.