Our very own history editor, Benjamin Waldman, happened across these mysterious vaults in Van Cortlandt Park dating from New York City's colonial era.
Van Cortlandt Park Monuments - Algernon Sidney Sullivan : NYC Parks
Van Cortlandt House Museum - Voices from Van Cortlandt - Directors Blog
6 Underground Vaults of NYC: Federal Reserve Gold Vault, Archaeological Repository, Van Cortlandt Park - Page 6 of 6 - Untapped New York
10 NYC Hiking Trails to Try This Summer While Social Distancing - Untapped New York
Celebrating July 4th in NYC: Remembering the Stockbridge Indian Massacre in Van Cortlandt Park - Untapped New York
Van Cortlandt Park Monoliths – Bronx, New York - Atlas Obscura
Guatemala Project Gutenberg
Test Stone Pillars for Grand Central Terminal Are Restored in Van Cortlandt Park - Untapped New York
The American Revolution in NYC's Parks : NYC Parks