It took over half a century but a Russian monument to a famous and tragic space pup finally stands in Moscow.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Salute the leader of the proletariat.

Avoid gangster interaction while window-shopping.

A living archive of urban activism and space reclaimed.

A very classy 1920s-era bar right in Grand Central Station.

The oldest surviving synagogue in New York City is now a soaring art space.

From scholastic to sepulchral - now under reconstruction.

A hip bar decorated with walls of golden skulls.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

A crumbling hospital from the 1850s on Roosevelt Island.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

A hidden alley in urban Baltimore is a haven for graffiti artists.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Eighteen miniature death-scene dioramas.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A huge musical instrument played by the ocean.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.