The Renwick Ruin, resembling an ancient castle lost to time, appears along the East River as a crumbling, medieval-like apparition, something not quite believable. Sitting between two new additions on Roosevelt Island -- the campus of Cornell Tech and FDR Four Freedoms Park -- these captivating ruins, enrobed in beautiful ivy, tell the story of a dark period in New York City history.

The island between Manhattan and Queens was once known as Blackwell's Island, a former pastoral escape that transformed into the ominous 'city of asylums', the destination for the poor, the elderly and the criminal during the 19th century.

During this period, the island embodied every outdated idea about human physical and mental health, and vast political corruption ensured that the inmates and patients of the island would suffer.

In 1856 the island added a Smallpox Hospital to its notorious roster, designed by acclaimed architect James Renwick Jr (of St. Patrick's Cathedral fame) in a Gothic Revival style that captivates visitors to this day -- even if the building is in an advanced state of dilapidation.

What makes the Renwick Ruin so entrancing? How did this marvelous bit of architecture manage to survive in any form into present day?

PLUS: The grand story of the island -- from a hideous execution in 1829 to the modern delights of one of New York City's most interesting neighborhoods.

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After you've listened to this show, check out these Bowery Boys podcasts with similar themes:

-- North Brother Island: New York's Forbidden Place
-- Nellie Bly: Undercover in the Madhouse

Episode 42 - The Kingdom Advisors Story with Rob West