A portrait of the Charter Oak hangs in a frame made from the Charter Oak.

Church featuring "high Victorian gothic" architecture.

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.

Historical figures from New York City's Catholic community reside in Midtown.

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

Tucked in the back of this amazing antique store is an important piece of medical history.

Home to the abandoned Tioronda Hat Works Factory, this park is a combination of woodlands and marshlands.

This 19th-century Hamptons windmill was once home to modernist painter Agnes Pelton.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

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

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

Micro-distillery in Brooklyn produces New York’s first homemade rum since Prohibition.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

Once the largest public hospital for the mentally ill was also surrounded by controversy.

This supermarket offers shoppers a window into the past alongside their groceries.

A layered tribute to the work of mosaicist Isaiah Zagar.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

Hear the quietest sound from across the dome.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

An incredibly well-preserved piece of ninth-century Viking poop.