The attic of a four-century-old canal house hides a clandestine church.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

This 19th-century fountain's namesake animal isn't what you think it is.

Giant topiary dog once played a role in a terrorist bomb plot.

New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

Before online banking and smartphone apps, there was "commuter banking" in the subway in Downtown Brooklyn.

The historic home still shows the scars from a little run-in with the British in 1813.

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

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

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

A bright little alley in La Boca is a part of tango history.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

A tower devoted to — and modeled after — the Divine Comedy.

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

Constructed in the 1920s, this former pencil factory is now an office building.

Known as the "Forgotten City" it was home to industry, riots, artists, squatters, and to one of the largest single disaster fires in New York City.

Once a ferry dock, radio transmitter, and now a new Greenpoint park.