One of only two commuter aerial tramways in the United States.

The first American home of the isolated, egalitarian religion has a trove of Shaker architecture and artifacts.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

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

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

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

2300-year-old Roman road connecting the empire.

The Pope’s secret escape route.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

The curiosities and wonders of pharmacy in a delightful historic building.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

A Muppet museum in small-town Mississippi honors the roots of Jim Henson's most beloved creation.

The highest point in Louisiana, Driskill Mountain at 535 feet above sea level.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

A typical "Old South" manor, once owned by author Anne Rice, served as the setting for several of her witchcraft sagas.