Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

Giant marble phalluses on the sacred island of antiquity.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

Venice's "Island of the Mad."

At least seven hues of blue and turquoise make this freshwater lagoon unique.

This 80-year old mannequin is so lifelike it is believed to be an embalmed corpse.

Inside this mountain lies several kilometers of breathtaking caves.

Cave where bat-eating snakes hang down from the ceiling.

A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.

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

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

Twelve natural mummies are displayed in the crypt of this former monastery school.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

These azure waters were thought to lead to the Mayan Underworld.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

Send a postcard while vacationing with Satan.

They squeal, they nosh, they look like predators.

One of the deepest blue holes in the world.

In paradise, feral pigs have claimed an island all to themselves.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

Hundreds of pieces of ancient Taíno art cover the walls of this Caribbean cave system.

An important Mayan religious and trading center dating back to 200 BC.