This glass skywalk offers vertiginous views down the volcanic cliffs to the beach below.

These small, triangular, colorful houses are a staple of Madeira Island.

As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.

Bits of flat terrain surrounded by cliffs make one of the most beautiful landscapes in the Azores.

Rainwater transformed this old quarry into a peaceful pond you won't find in most tourist books.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

Europe's oldest still-operational tea farm also boasts a spectacular view.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

This abandoned five-star hotel is now a five-star urban exploration destination.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

A jewel of the Mexico city skyline now slowly crumbles after surviving an earthquake.

Three sinkholes filled with warm, crystal-clear water reached by a horse-driven cart on an old train track through the jungle.

A Volkswagen Beetle decorated with millions of beads connects Mexico's past and future.

This popular cave pool is truly magical, despite the crowds.

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

On a cornerstone of the City Museum is the head of a monstrous serpent stolen from an Aztec pyramid 400 years ago.

Huge hole looks down onto an underground beach populated with sea lions.

One of the few places where you can visit a cenote and Maya ruins at the same time.

This ceremonial Mexican square looks as though it belongs in a science fiction movie.

This "cursed house" features secret rooms, hidden vaults, and dark escape tunnels.

Cool down and fill up after visiting Teotihuacán at this bar and restaurant in a deep, underground cave.