This spectacular track has run continuously since 1882.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

A fascinating little museum all about the rich history of Peru’s famous plant.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Did Inca children also slide down these smooth rocky slopes above Cusco?

Death rituals and sacrifice inside a Peruvian megalith.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Now containing the bones of the actual conquistador, instead of someone else.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Believe it or not, the now-ubiquitous California avocado originated in Guatemala.

The only museum with its curator—and her pets—buried inside.

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

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

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

100 year tradition of fist fights, marked by marble footsteps.

This 19th century granite fortification is one of the most well preserved forts in New England.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

Prehistoric animals decorate this popular outdoor park.

The first declared National Monument in the United States.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

When ecosystems collide in the arid Southwest.