A replica of the Roman emperor in glorious full color.

This Portuguese bullring is built right into the caldera of an island volcano.

A museum dedicated to one of Portugal's most celebrated writers.

A deer-headed statue that brings together a 12th-century legend and big wave surfing.

These small, triangular, colorful houses are a staple of Madeira Island.

Europe's largest collection of matchbox designs is a fascinating exploration of the cultural history of the world.

This architectural beauty is the home to a personal collection of more than 600 examples of mechanical musical instruments.

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

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

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

This small chapel is built of human bones and decorated with a golden skeleton.

A colorful "forest" made entirely from three tons of recycled plastic waste.

A unique hybrid of fountain, stained glass and monument, designed and built by a notable architect-engineer team.

This striking building appears to defy gravity, a tower balancing atop a much smaller cube.

Likely Mexico City's most eclectic shopping mall, with its own version of the Walk of Fame.

This mosaic made out of books represents one of Colonial Mexico's most important literary figures.

A series of modernist, abstract sculptures form a route created as part of the 1968 Olympics' Cultural Olympiad.

The F1 Mexican Grand Prix circuit goes right through the middle of this old baseball stadium.

A bronze statue of the famed Prussian naturalist commemorates the year he spent in Mexico.

Founded by a Basque immigrant, Mexico City's oldest bakery has a history dating back to 1870.

This scenic cable car ride glides 100 feet above Mexico City.

An inland seafood emporium makes more sense than you'd think.

Mexico City's residents are being watched by this state surveillance headquarters, designed by architects with a flair for intimidation.