Heh heh-- what show is that?
A very good example is the White House. Early under W it celebrated its 200th anniversary and it’s almost always dated to 1800. (There’s a very good depiction of Adams living in the unfinished shell in the recent HBO miniseries.)
It was built in 1800, no question, but it was gutted when the British burned it a few years later (portrait). Most of the exterior had to be plastered over and painted, which is when it became White- til then it was gray-white and known as “The President’s Mansion”.
The White House was continually redecorated and renovated for more than a century. Most of the carpeting and wallpaper and some of the marble and floors of the public rooms had to be replaced after Jackson’s disastrous “y’all come on back to my place” 1829 inauguration party when thousands of people traipsed through it, many spitting tobacco or pissing on the floor or taking pieces of curtain and wallpaper and splinters and china and chairs as souvenirs- Jackson had to appropriate $50,000 from the public coffers to repair it (well over $1 million today).
Mary Todd Lincoln famously remodeled and renovated it to the degree she was able (which included embezzlement and “gifts” after Abraham cut her off, understandably refusing to pay more than necessary when soldiers needed shoes and ammo), then under Chester Arthur (a fur coat wearing metrosexual dandy) it got a real going over- rooms were rebuilt from floor up, the “early modern whorehouse” furniture popular at the time as well as some Tiffany stained glass that’s still beautiful, and most of the hardwood floors were replaced with virgin longleaf pine from Alabama and Georgia. (During this same remodeling some furnishings and knick knacks that dated back to Dolly Madison were literally just thrown out- many made their way from the trash heap into private collections and still sell occasionally.)
All through the first 150 years walls and doors and staircases were taken out and moved and rebuilt with different materials as needed. Nothing compared to the renovation under Truman however: for those who’ve never seen it, this is the interior of the White House in May 1950, after Truman ruled the place (with a lot of justification) a disaster waiting to happen [among other things a grand piano in the family apartment had fallen through the floor into the room beneath it). Truman lived at Blair House (which was then newly acquired and also had just had to be remodeled, and was remodeled again to accommodate the First Family and their secret service [which Truman could not dismiss, especially after his assassination attempts]) and even in hotels during most of his terms.
While many of the original boards and wainscoting and railings were brought back from storage and replaced (though often not in the same location as before), many more were replaced; the frame of the house was redone with iron and steel (it could currently withstand a pretty decent sized bomb blast), and staircases were completely rebuilt as the old ones could not be salvaged.
So anyway, the question is begged “is the White House 208 years old or not?” Certainly part of the shell is, and some of the boards are, but what’s there now that was there in 1800 would probably be less than 10% of the structure (and that’s not counting the wings that have been added but just the “original” rectangular part of the house).