This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

A museum dedicated to the tragedy of Bloody Sunday.

At this cozy bar tucked down a hidden Galway backroad, Guinness makes the Gaelic come out.

The shiny silver little brother to Copenhagen's Little Mermaid statue.

Old Danish castle immortalized in Shakespeare's Hamlet.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This tiny patch of arid sand sits in one of the greenest states in the United States.

A castle on a hill once named "the most beautiful high school in Massachusetts."

Once a kitschy symbol for a gift shop, this 38-foot seahorse is now a staple roadside attraction.

Haunted boulder in a front yard with a witch painted on it.

The former home of the oldest nail maker in the United States was built on the ashes of a mill burned by the British.

The world's largest piece of copyrighted artwork.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.