Watch the full journey of creating a stunning swimming pool with a hidden underground passage! 🏊‍♂️🌿 Using only natural ...

Behind a blue door in a narrow London passage lies a little-known network of tunnels deep underground, once home to British ...

When it comes to replacing the Tobin Bridge, Boston.com readers think sinking the whole shebang under the Mystic River is the ...

Woodland on the edge of Tunbridge Wells with a network of second world war bunkers and tunnels is for sale. The land is close ...

The U.S. Environmental Protection Agency (EPA) has approved West Virginia’s application to obtain authorization and primacy regarding the issuance ...

But the primary reason to visit the caverns is to partake in one of the five underground ... hidden passages. Recent visitors particularly enjoyed the cavern tours, calling Natural Bridge Caverns ...

Earth is home to some truly bizarre and breathtaking landscapes — here are 20 that look straight out of an alien world.

Vermont can both grow housing and protect our natural resources. The state faces an array of complex challenges — from escalating housing and healthcare costs, to climate change-related flooding ...

Adventure doesn’t stop after dark in Scotland, from twilight kayaking along the River Tay to pitch-black bungee jumps in the ...

Pipelines that carry carbon gases such as CO2 shouldn’t have the power to force their way across private property in South ...