This nostalgic blast from the grooming past is also a working barbershop.

Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.

These ornate manhole covers were used for a now-forgotten purpose.

A yoga studio and venue for "chill-out parties" in a former chicken slaughterhouse.

This nearly invisible wire transforms much of the city into one big, symbolic home on the holy day.

All that remains of a magnate's dream home is a historic gate and an abandoned public pool.

The competition: breathe deeply as long as you can.

A historic recreation of the golden age of the Erie Canal, abandoned for some time, slowly being restored.

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

The "Skinny House" is made from scrap, salvage, and a neighbor’s kindness.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

The legendary court where emerging basketball players gain their street cred.

Oldest surviving example of a Dutch saltbox frame house in America.

This once-private estate is now a dreamy, meditative garden that's open to the public.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

Gang fights don't just happen on the streets, they happen under them too.

Brooklyn's most iconic restaurant, resurrected.

This small Catskills village has six independent bookstores and more bookshops than restaurants.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

Unusual books about food and drink abound in this 19th-century New York townhouse.

New York's unstoppable progress turned this cemetery into the smallest burial ground in the city.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.