Venture out to the Caribbean island of Antigua for a full-day scenic tour that explores a dangerous but beautiful natural ...

Attractions around the world that have disappeared, or are on the verge of disappearing, tell stories of various reasons such as war, natural calamities, urban development, or dwindling crowds.

Towering pink cliffs. Twenty white sand beaches. Flying manta rays. Swimming with curious California sea lion pups.

It's common knowledge that Yellowstone Park sits on top of an ancient supervolcano, but what happened last time it erupted?