Single runway interrupted by a busy road that cuts across its middle.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

London's smallest police station is barely the size of a phone booth.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

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

Long tunnels run under the ancient chariot racing circuit to the tower.

Stained glass windows bathe this botanical garden in cosmic light.

It's believed this golden brick is part of the legendary lost Aztec treasure.

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

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

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

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

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

A striking depiction of Teotihuacan's mysterious "Spider Woman."

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

Famously misunderstood wonder of the ancient world

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The oldest operating pharmacy in the world features 800-year-old recipes.

The middle finger of modernity.