This shop specializes in oddities and Victorian-inspired wonders.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

An artsy hidden staircase leads to breathtaking views of San Francisco.

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

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

The first AIDS memorial chapel in San Francisco and one of only a few in the U.S.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

An inconspicuous suburban street corner is the site of San Diego's worst air disaster.

The humble tomb of an Argentine general, hand-built by his son using stones brought down from the Andes.

A mysterious architectural gem in one of the most elegant areas of Buenos Aires.

A pocket of serenity in hectic Buenos Aires, complete with a peaceful courtyard and massive library.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

One toy collector's legacy of hundreds of unique items includes the most diverse display of northern indigenous dolls.

On top of a sheet metal business in Juneau stand nearly a dozen charming Wizard of Oz statues.

Inside the unassuming cemetery chapel is a magnificent stained glass window and mosaics.

A jukebox headstone marks the grave of the Cleveland disc jockey credited with coining the term “rock 'n' roll."

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

The angel of death appears to weep black tears at this grave marker.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

A bronze monument to Cleveland's favorite, fastest son.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

A museum collection honoring the long history of the FDNY is held in a disused Manhattan fire house.