Driving across the Piscataqua River Bridge, connecting Portsmouth, New Hampshire, with Kittery, Maine, a magnetic force seems to pull me to the end of the North American continent, east to the sea.

"Can you give me an idea of what train lines used these tracks?" Jon A. Russo asked Curious Louisiana. "Just when was the ...

Roebling Suspension Bridge is an iconic Cincinnati feature, spanning 1,075 feet across the Ohio River. It was the longest bridge in the world when it was built in 1867 and utilized new bridge-building ...