At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

Daily lunch spot for many of Washington, D.C.'s cab drivers.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

When it opened during the final years of the embargo, all the drinks and cigars were free.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

A much-maligned monument to teetotalism.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Perhaps the most scandalous statue of America's first president.

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

After being lost for decades, this striking mural depicting the atomic bomb covers the wall of a busy Tokyo metro station.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.

Unusual hexagonal rocks formed by cooling lava named for their resemblance to traditional Japanese tatami mats.

If Hello Kitty were Mickey Mouse, this would be Disneyland.

This 700-year-old street food market features baby octopus and soy donuts.

The freshest fish here are the ones you catch yourself.

Japanese national treasure originally built in 593 CE.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

This memorial depicts the unlikely team that won England the Sir Thomas Lipton Trophy.