This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

Detailed facade of a brownstone in Boerum Hill.

A popular European tradition makes its way to the states on one of America's most famous bridges.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

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

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

Mysterious 500-year-old tapestries depict a unicorn hunt.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

New York's oldest magic store.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

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

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

Read a book next to a Midtown waterfall.

Ride the subways of yesteryear.

Elevated freight railway turned wildly successful urban park.

A silly medieval mural preserved on the side of a Viennese house.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

Every year, the colorful murals of Montreal get a complete makeover.

The antique barns in Cameron are not painted with your grandfather's Mail Pouch Tobacco murals.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

Created by Catalan artist Joan Miró in 1978 and made up of 350,000 tiles, this mural is the only large-scale glass mosaic the artist ever created.