But how often do we think to look below our feet? Caves might not be the first thing on your travel list, but they should be. Formed by ancient seas, lava flows, and the patient carving of water ...

You know those places that feel so dreamlike that you ask yourself, "Did I just fall into a screensaver?" No? Well, that's probably because you've been visiting all those usual tourist traps.

To start with, these ice caves look like something straight out ... Bright red rocks, ancient petroglyphs, and landscapes that look like a Martian backdrop. Valley of Fire delivers the drama ...

To start with, these ice caves look like something straight out of a fantasy ... Bright red rocks, ancient petroglyphs, and landscapes that look like a Martian backdrop. Valley of Fire delivers the ...