A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

The highest peak in Puerto Rico is home to a rare fern that can only be found on six trees at its summit.

The world's second largest single-dish radio telescope, once used to contact E.T.

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.

Once a ferry dock, radio transmitter, and now a new Greenpoint park.

Known as the "Forgotten City" it was home to industry, riots, artists, squatters, and to one of the largest single disaster fires in New York City.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This nature center has one of the largest collections of native raptors in the Pacific Northwest.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

Massive crater in central Oregon.

A volcanic landmark located on an Ice age lake bed.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Contractors in this Oregon town have been stamping their names in sidewalks since 1908.

A graffiti Mecca welcoming artists from around the world.

This landmark building is now a vibrant performing arts space with musical acts from around the world.

The graveyard holds the remains of Irish immigrants who arrived in Queens after fleeing the Great Famine.

A mysterious statue of a leather jacket-clad rebel leans coolly on an odd yellow clock.

This Queens beer hall preserves a German culture and language that is all but lost.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

The oldest Dutch colonial stone house in New York City is a hidden gem on the border of Brooklyn and Queens.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.