Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

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

Huge stone depressions which may have acted as an Incan agricultural experiment.

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

Ancient catacombs form the foundation for this Rococo orgy of a church.

The stunning interior of this Gothic church is covered in ornate gold details.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

This giant sculpture made of trash is a critique of society's wastefulness.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Micro-nation based around a nine-story high illegally built tower.

This Danish park has celebrated the American independence day since 1912.

This World War II airfield enjoys a second life as a public park.

This huge industrial sculpture looks like a UFO and a factory had a baby.

Six beautiful wooden giants are hidden around Copenhagen.

Metro station with a claim to rock n' roll fame.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

Southern Italy's spinning top village.

This medieval oratory decorated in magnificent frescos was constructed after Charlemagne received a vision.

Inscriptions found in the Majella mountains reveal stories of resistance and rebellion after the unification of Italy.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

A Byzantine-era church hidden in a wooded area below the Acropolis.