Mexico's astounding mummy museum with "the world's smallest mummy."

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

Southern Mexico under the influence of mushrooms, ceremony and celebrity.

A miniature Corsican village built out of pebbles.

Rock-cut caves and 7,000 Buddhist sculptures carved into the nearly sheer face of a sandstone mountain.

Source for a sizable portion of Egypt's freshwater supply is more than an optical illusion.

Ancient Peruvian fertility temple or modern money-making hoax? Either way these monoliths still look like penises.

An Archaeological Wonder of Peru, and the largest stone ruin site in the New World.

120 mortarless pagodas built by one Korean hermit.

"World machine" built by an untrained Austrian farmer.

A 16th-century horror show built in a lovely Italian garden.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

The stoutest tree in the world.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

Bohol's unusually shaped hills turn brown in the summer months.

The remains of what was, not so long ago, the world's largest city.

Once thought to be the Garden of Eden it holds a holy footprint claimed to belong to Adam, Buddha and Shiva.

An ancient stone fortress considered by many to be the eighth wonder of the world.

A 125-meter long "tribute to the Brazilian people."

A self-built mosaic house and sculpture park.