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

A self-built mosaic house and sculpture park.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

The "world's smallest volcano" has been used to store meals and dispose of dead bodies.

The scene of a legendary hunt is displayed on this building's facade.

The first public library in the Americas has more than 45,000 books dating back to the 15th century.

The way that light hits a stained glass window on a specific day is one of many "clues" to a mysterious treasure.

French commune at the heart of conspiracies.

Small French town or alien garage?

Immortalized by artists, this church incorporates a medieval lighthouse into its shoreside structure.

A functioning Roman-era aqueduct and bridge in rural southwest France.

This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

Some charming, but sadly, unloved animal statues call this park home.

The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

This museum houses two of Mexico's most impressive Aztec monoliths.

Abandoned figurines adorn a small plot on the side of a craft market's entrance.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

A grand entrance to one of the world's smallest Chinatowns.

Explore the history of Mexico's lesser-known ancient alcoholic beverage.

This "City of Books" holds a museum, library, and the complete personal book collections of five of Mexico's greatest thinkers.

Diego Rivera hid various people and symbols in his first large-scale mural project.

The most complete statue of this Aztec god sits a top a throne carved with images of hallucinogenic plants.

These spectacular, symbolic serpents lie within the shadow of the Great Temple.