One of the four clock faces on this church is mismatched, in a nod to a historic slight.

At the center of London’s oldest roundabout stands an obelisk that was erected in 1771, but spent several decades elsewhere.

A historic London pub with prison cells in the cellar and a "spy room" on the second floor.

The arching stretch of London's longest street holds many reminders of the area's maritime past.

How did a fuel storage container become one of the most famous sights in the sporting world of cricket?

A much-loved local landmark pays tribute to the shipbuilding past of this area.

The childhood home of Earth's alien chameleon is a humble Brixton flat.

A wonderfully preserved example of London's 1960s-style high-density, low-rise public housing.

A fully functional, 200-year-old remnant of the time when Brixton was mostly fields.

For more than half a century, an enormous feline has watched over this London neighborhood.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

At this farm in upstate New York, the former president plotted his reelection campaign.

The largest roller-skating rink in the world.

This historic church with a connection to "Uncle Sam" is now a fraternity house.

This stained glass window designed by Tiffany Studios is hidden behind the circulation desk of a public library.

This relic of 19th-century infrastructure is one of the few remaining coal gas storage tanks in the U.S.

A man used his Civil War-era fortune to build this sanctuary in memory of his wife.

Two mermen, eternally spitting into each other's mouths.

All that remains of the once-booming chain is a single orange-roofed restaurant.

Dozens of houses in the Adirondack Mountains are reminders of a literal "cottage industry" to cure people of a deadly disease.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

The Great Fire of London and the regulation of one-way streets both started in this alley.