If you're a history lover or an architecture enthusiast, here are eight of the oldest man-made structures in India that deserve a spot on your travel list: 1. Barabar Caves, Bihar (3rd Century BCE) ...

LSU says new research shows that both LSU Campus Mounds are the oldest man-made structures in North America — going back as far as 11,000 years ago. Skip to content KLFY.com ...