Historical Landmarks With Hidden Rooms Forgotten To Time

By Jack Ripley | May 13, 2024

The tennis courts at Grand Central Terminal

Deep within renowned structures, secret chambers lurk. Not only are these rooms concealed from view, but their purposes are often covert. These spaces ignite curiosity and beckon explorers to find them. From ancient fortresses to modern wonders, uncovering hidden rooms in some of the most well known historical landmarks excites the adventurer in all of us.

It's time to go on a journey to unlock the mysteries hidden behind closed doors without leaving the comfort of your home. Let's unearth the stories that lie within the heart of these iconic buildings. 


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The Vanderbilt Tennis Club is in the historic Grand Central Terminal. Its history dates back to 1966 when Hungarian immigrant Geza A. Gazdag founded it and named it the Vanderbilt Athletic Club after Cornelius Vanderbilt. Originally, Gazdag established the club on the terminal's third floor, and it offered two clay courts and a ski slope. Former President Trump owned the club from 1984 to 2009. The club has since relocated to the fourth floor. To access the club, visitors must take the elevator near Tracks 100-117 to reach it. Today, this hidden club has 30-foot ceilings and includes one junior court, two practice lanes, a fitness room, and a regulation-sized Main Court. The club offers slow-motion camera analysis of player's moves. It is one of few courts in NYC to provide advanced technology, helping to refine players' skills.

The Hall of Records in Mount Rushmore

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The Hall of Records is behind the head of Abraham Lincoln in Mount Rushmore, but good luck getting in there. Constructed to hold historical documents and artifacts, the space had to be abandoned during World War II, but it was finally completed in 1998. The room now holds a teakwood box that's covered with granite capstone. It's not the most exciting room, but it is pretty nuts that there's a secret space on a national monument (just don't tell Nicolas Cage).