This piece originally appeared on Travel + Leisure.
No matter how many episodes of House Of Cards you binge-watch, West Winglines you memorize, or replays of Obama in Jerry Seinfeld’s Comedians In Cars Getting Coffee you view, you don’t know the White House as well as you may think. With 55,000-square feet sprawled across 18 acres, 132 rooms, 35 bathrooms, 6 levels, 412 doors, 28 fireplaces, 7 staircases, 3 elevators, 5 full-time chefs, several gardens, tennis and basketball courts, a movie theater, jogging track, and more, there’s a plethora of places for secrets to hide. Just in time for the election year, we uncovered 15 of those little-known facts.
1. It has a doppelganger.
Rumor has it Irish architect James Hoban based the blueprints for the White House on the Georgian-style Leinster House in Dublin, which originally housed the Duke of Leinster, and today, the seat of Irish Parliament. According to historic payroll documents, the White House was constructed by melting pot of European artists and immigrant laborers, including Scottish masons and Irish and Italian brick-and-plaster workers, alongside African American slaves.