This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

This beautiful fountain was sculpted by a female artist who was ahead of her time.

A vast necropolis where you'll find the elaborate mausoleums of Argentinian tango stars.

A memorial to the victims of Argentina's "Dirty War."

Museum housed in underground tunnels that date back to Buenos Aires's earliest settlements.

A tower devoted to — and modeled after — the Divine Comedy.

A bright little alley in La Boca is a part of tango history.

Xul Solar was an artist of alternate worlds, inventor of languages, and dreamer of utopias.

A burial ground of rusting metal grave markers.

“Wagon Jobber" turned smokehouse magnate's family-owned business is still going strong 100 years later.

Every dish is blessed in this basement eatery beneath a Hare Krishna temple.

A Wisconsin kitsch palace from the 1930s lives its second life in 21st-century Brooklyn.

A working metal shop and venue for outrageous art and music shows in a former cannonball factory.

A curious friendship between two inanimate ladies.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

Come for the pastrami, stay for the million-dollar art.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

This neighborhood grocery houses a treasure trove of Eastern European delights.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

A statue honors the genius who allegedly first took a meatball and made it into a hamburger.

Sitting in the arguable birthplace of the Wild West, this museum holds the largest collection of bronco busting bric-a-brac in the world.

Only museum dedicated to women pilots, with personal artifacts from Amelia Earhart and other aviatrixes.