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

A huge musical instrument played by the ocean.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

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

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

This giant shopping mall still holds signs of its automotive past.

It was once nicknamed "the most bombed hotel in Europe."

This sculpture is an instrument played by the swell of the seas.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

This early version of the guillotine was used to execute the man responsible for its construction.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

A museum marks and documents the site of the Titanic's launch.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

Belfast's namesake river still winds below the city center, hidden from sight.

The atmospheric road was never meant to be so creepy.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

Scattered throughout London are ancient remnants of the city's former bounding wall.

This South London cemetery holds the remains of more than 15,000 people.

A hands-off space for graffiti artists to hone and display their skills.