Armour-Stiner Octagon House
45 W Clinton Ave, Irvington, NY 10533, USA
About
The only eight-sided, domed Victorian home in the world, and yes, it’s just as wild inside as it sounds. Guided tours take you through its over-the-top rooms (think: Egyptian parlor and wraparound salon). Tickets required, no walk-ins. Open April–December, around $29 for adults, $24 for kids 8+.