A hands-on traveling collection of the innovative devices of yesteryear.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Armenian monks at an island monastery in the Venetian Lagoon make a rare rose petal jam.

Go inside to really appreciate this 500-year-old technological masterpiece.

Venice's "Island of the Mad."

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

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

These subterranean models show Mexico City's central square during three different eras.

A shining treasure trove of fine Mexican silver dating back to the 15th century.

A close look at the church's walls reveals pieces of Mexico's history.

It's believed this golden brick is part of the legendary lost Aztec treasure.

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

The ruins of an ancient temple to the Aztec wind god discovered in the middle of a metro station.

This muddy wooded valley and the ancient structures it hides are said to be the favored haunt of the legendary Friar Tuck.