Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

10,000 flowered plants bloom in the City of Roses.

This bridge provides safe passage for squirrels.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Breathtaking and huge 430 year old maps of Italy.

This demon atop the Notre-Dame de Paris looks utterly bored.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

A little slice of Japan and its aesthetics in London's Holland Park.

Inside the Wayne County airport is an amazing collection of lights and sounds.

The only surviving prototype for Buckminster Fuller's house of the future.

These unusual rooms on wheels are holdovers from the 1960s.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

This church built atop a gas station promises to "equip you for the next stage in your life’s journey."

The rogue roots are gradually consuming some of the historic marble grave markers.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

Recorded as the first person buried in Arlington Cemetery.

A Roman-style column in Oregon hides a spiral staircase inside.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

These pretty kitties killed and ate as many as 135 railway workers.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.