This medieval castle was reconstructed by Carlo Scarpa.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

The notorious Wild West outlaw was raised in this unassuming abode.

A dazzling display of red rocks weathered into spires and hoodoos.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

The location of the Bridge of Death and the Gorge of Eternal Peril in "Monty Python and the Holy Grail."

This iconic clock tower is the largest in the Philippines.

The oldest military monument in the United States.

This theatre and its amazing marquee harken back to the Golden Age of Hollywood.

An out-of-the-way state park in Oregon that features both a picturesque waterfall and the ruins of a hydropower plant.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

The bright red cars take travelers through breathtaking Tuscan scenery.

Five candy-colored villages on the Italian Riviera.

This incongruous small ferry across the Willamette River north of Salem, Oregon has been operating continuously since the 1850s.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.