Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This Brazilian palace island was once the site of the last grand ball before revolution.

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

The largest library in Latin America owes its existence to an Old World earthquake and a Napoleonic invasion.

A 125-meter long "tribute to the Brazilian people."

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

Beautiful public park off the beaten path and away from tourists.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

This painted marvel is San Francisco's 400-foot ode to urban biking.

This 19th-century church is now a popular roller rink.

Faceless white figures loom over the city from the rooftop.

A shining, cold, black organ lies in San Francisco's financial district.

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

Early prototype for Frank Lloyd Wright's Guggenheim.

In this century-old literary safehouse, print is alive and well.

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.