GEOLOGY

The giant wave was so powerful that it dislodged boulders from the island's shores and swept them onto its mainland.

Acadia National Park in Maine may not be as renowned as some of its Western brethren, but it’s every bit as spectacular.

The Brule River in Minnesota splits just before it enters Lake Superior. One side becomes a 50 foot waterfall, and the other pours into a giant pothole. Where it goes from there is a mystery.

Temperature spikes on boiling-hot Venus have scientists thinking the planet has active volcanoes.