Diego Rivera's massive tiled fountain and failed infrastructure project.

The ruins of the bathhouse used by the ill-fated last Aztec emperor still lie in Chapultepec Park.

You can release a young butterfly at this beautiful indoor garden.

The only castle in North America to ever house European sovereigns.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

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

This one-window stand has been home to a giant vat of slowly simmering meats and an array of unique tacos for almost 50 years.

Get a privileged view over Mexico City's Historic Center from a terrace right in its heart.

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

Concrete construction materials turned into a fashionable capsule hotel in rural Mexico.

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

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

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

The ruins of an ancient temple to the Aztec wind god discovered in the middle of a metro station.

Astounding collection of coin-operated games and automata.

A painted-over wall in Detroit originally built to segregate a black community from an adjacent white development.

Weighing 30,000 pounds, this monument represents Detroit's first industrial era.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

This former industrial site has transformed into a community sculpture garden that hosts monthly Full Moon parties.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

Once the tallest building in Detroit, this Gothic church houses some of the oldest stained-glass windows in the country.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

This sprawling bookstore spans four floors and has more than a million books in stock.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.