The narrowest house in America is seven feet of pure spite.

A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

The "lovely red Vega" of the legendary record-settling pilot.

At 207 feet, one of the world's longest continuous escalators.

A former major munitions plant that has been converted into a sprawling art space.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

The final resting place of soldiers' loyal canine companions.

A six-ton wedding present for the King of the Scots.

The most loyal of little dogs, or a Victorian era publicity stunt?

A 18th century graveyard and its astonishing cortege of macabre iconography.

Abandoned silver mine strewn with wrecked and twisted structures.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

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

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

San Francisco's newly reopened hands-on science museum.