Climb a set of vertiginous stone steps to the top of this impressive ancient edifice.

A psychedelic labyrinth on the San Francisco bay.

A 1920s home transformed into an immersive art experience, where every room is a portal to another realm.

A unique local art exhibit that has continued to grow since 1989.

Acres of natural wonders left behind by a socialite-turned-gardener.

Like stepping into a spooky fairy-tale, this shop carries the dark ideas of artists and other makers.

Train tunnel running underneath Quebec City.

Concrete pillars provide a beautiful canvas for Quebec City's graffiti artists.

A 400-square foot model of historic Quebec is the playing field for a state of the art light and sound show.

A contemporary fresco movement illustrates the region's rich history.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

There must be a pun in this haystack somewhere...

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

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

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

An artist's cute bronze subway sculptures belie his violent artistic past.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

Wine bottle sculpture with a ship's stateroom inside.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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