Portal:Hudson Valley/Did you know/16

• ... that the Shandaken Tunnel reaches its 2,215-foot (675 m) maximum depth below the surface at Deep Notch (pictured) in Lexington, New York?
• ... that the Dubois-Sarles Octagon in Marlboro, New York, has a recessed entrance and sidehall interior plan, both unusual in mid-19th century octagon houses?
• ... that serial killer Nathaniel White claimed his first murder was inspired by a scene in RoboCop 2?