Many travelers see Mount Teide peeking above the clouds as they land at the island’s airport. As one of the highest volcanoes in the world, Mount Teide is a top thing to do in Tenerife and is ...

Observe the moon and planets up close with this reflector telescope from Celestron — now $246.49 at Amazon for Black Friday.

Amazon The dispenser comes with tape, but reviewers don't really like it — get some Scotch tape instead! Promising review: "I ...