The site of the deadly Triangle Shirtwaist Factory Fire.

A terrific purveyor of natural history objects and curios.

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

A freedman baker’s lavish tomb has a relief showing various stages of Roman bread making.

This secluded village in the Andean wilderness can't be accessed by road.

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

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

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

With its vast selection of books, comics, and records, this nearly 70-year-old open-air market always rewards the patient browser.

These small sculptures pay homage to the lovable star of an iconic Argentine comic strip.

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

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

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

A quartet of tiled art pieces adorn the floors of this prestigious art museum.

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.

This sculptural piece by the artist Tom Otterness doubles as a jungle gym.

This is Britain's one and only clock concealed in the pavement.

In this 400-year-old hotel in Madrid, you'll find a comb in every room, an old clock, and maybe a ghost.

This little sun pays homage to a massive gate that once stood at this location.

At least according to the Guinness World Records.

An aptly-named street near the birthplace of the modern LGBT rights movement.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

Inside this library, the history of Los Angeles is retold through a mural.

The East Village tenement from the cover of Led Zeppelin’s 1975 album has a tea shop on the ground floor.