Fire meets ice at the southernmost volcano on Earth.

The beautiful baroque library of the Hapsburg empire.

The world's highest and most dangerous infinity pool lies at the precipice of Victoria Falls.

The world's largest model of our planetary system.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

Nicknamed Kazakhstan's Grand Canyon, this natural wonder lies east of Almaty near the Chinese border.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

This crumbling folly looks like an enchanted left over from Middle Earth.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.