The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

Internationally-recognized arts center housed in a century-old former military barracks.

Concrete strongholds stand guard over the Golden Gate.

This lighthouse has been guiding shipping into the Golden Gate since before the American Civil War.

Frank Lloyd Wright died a year before construction on his largest public project even began.

Discover for yourself what Herb Caen referred to as "the best kept secret in the Bay Area."

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

This cannon dating to 1755 has stood guard at this suburban intersection since 1915.

A small and somewhat hidden memorial to 68 local veterans of the Vietnam War.

The only labyrinth within the city of Alexandria.

Rome is now home to a stunning food museum and library.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

This medieval church in Rome was almost destroyed following a terrorist attack in 1993.

This ancient Roman arch misled treasure hunters for centuries.

In the early Roman Empire, people deemed traitors and criminals were tossed to their deaths from this rock.

A large replica of a monumental Roman inscription is located on the side of this museum.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Breathtaking and huge 430 year old maps of Italy.

An oasis of beauty, tranquility and botanical research in the middle of Rome.

Notorious artist squat renovated into legal studios.