An arcade packed with a rotating collection of unique independent video games.

This was one of the first (and last) university-built and operated nuclear reactors.

This former crime corner has been turned into an eclectic community center.

Phil Mortillaro uses keys to bring art back to the Village.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

A Manhattan office building is home to the world's largest chess board.

The most confusing clock in New York.

A notorious punk house turned co-op.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

This iconic tattoo shop has its own onsite museum with artifacts from the early history of modern body art.

Unique antiquarian shop specializing in globes, maps, and prints.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

An airy Art Deco space devoted to the weird and wonderful folk art traditions of Mexico.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

These biodiverse university gardens form a green oasis amid the urban chaos of Mexico City.

One of Monterrey's oldest buildings is perched atop a hill boasting impressive views of the city.

Inside this mountain lies several kilometers of breathtaking caves.

After it was missing for a decade, this 40-foot statue of Our Lady of Guadalupe was found and returned to a place of honor—with a little help from a tropical storm.

A mountaintop shrine named for the road to heaven.

This ”skyspace,” which bears a resemblance to a spacecraft, is designed to disappear in the presence of light.

A honeycomb-like structure of interlocking shelves creates a beehive of books.

Taking the 3D art experience far beyond blue and red glasses.

The World's First 24 Hour Coin-Operated Art Gallery!! Plastic, Styrofoam, and Elvis--If you can't get rid of it, you might as well worship it!!

These machines have been collecting dust for decades.