An indigenous take on European design creates a stunning visual overload.

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

The world's largest military aircraft cemetery.

At 207 feet, one of the world's longest continuous escalators.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

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

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

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

A crumbling cathedral condemned by an earthquake.

The youngest volcano in Central America.