I’m always on the hunt for hidden gems near NYC that make you feel like time traveler — but I never expected to find such a unique octagon mansion just 45 minutes from Manhattan. This is the Armour-Stiner Octagon House in Irvington, NY, and it’s the only fully domed octagonal home of its kind in the entire world. Built in the 1860s by a tea merchant who loved extravagant parties, this historic house has so many layers of history. Locals even say its original owners might still linger… 👻 From the wraparound porch to the stunning dome and the dreamy gardens, this is one of the most unique historic homes in New York — it honestly feels like a fairytale frozen in time. Every room is filled with quirky details and beautifully restored period furnishings. I was in awe the whole time! 🏛️ How I visited: The house is privately owned but open for small, guided historic tours — which makes it feel even more special. I booked my tickets on Fever — it was super easy! If you want to experience one of the most magical day trips from NYC, the link is in my bio. ✨ Good to know: 📍 Address: 45 W Clinton Ave, Irvington, NY 10533 (Hudson Valley) 🕒 Hours: Tours usually run Friday–Monday, 10 AM–4 PM (closed Tuesday–Thursday — plan ahead!) 📸 What you’ll see: A guided tour takes you through the main floors, the iconic wraparound veranda, lush historic gardens, and the incredible domed music room. Some tours are seasonal or themed (like Preservation Tours or spooky Halloween tours), so check what’s on! 🚆 Getting there: About 45 minutes from NYC — drive or take the Metro-North Hudson Line to Irvington station, then it’s a quick ride or walk. Free on-site parking available. ✨ If you’re into quirky architecture, Victorian houses, vacation mode or just love exploring historic hidden gems in New York, this one’s a must-add to your Hudson Valley bucket list. … #nyhiddengems #newyorknewyork #newyorkstate #travelblogger #hudsonvalleyny #nycgetaway #travelvideo #travelcontent