Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A failed piece of Orientalism has become the proud symbol of a community.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

This narrow shop in the East Village hosts a matchmaking service for the new millennium.

This geothermal hot spring hides beneath a slowly growing mineral dome.

Once a popular watering hole among longshoremen and shipyard workers, this neighborhood treasure spans more than 100 years of Red Hook history.

An unconventional space for art and science housed in a massive old warehouse.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

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

A decommissioned military complex that's now a modern industrial park.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

A modern zoetrope on the New York City subway.

Sniff the Titan Arum's rotting flesh.

Haven for steampunks.

Steam out your ears for New Year's Eve.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

One of the deadliest American air disasters is nearly forgotten in Brooklyn.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

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