A barbarous band of serpents guard the bases of these Aztec temples.

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.

These biodiverse university gardens form a green oasis amid the urban chaos of Mexico City.

A museum in the former home of Marxist revolutionary Leon Trotsky.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Where layer cakes tower above one’s head and there is never a shortage of icing.

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

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Frida Kahlo's childhood home, now a museum of her life and works.

100 years later, they're still down there.

Railroad officials in the early 1900s sought to spare travelers the sight of Roman soldiers’ private parts.

This statue of the "father of television" stands prominently in the United States Capitol.

The first memorial dedicated solely to the Black troops who fought for the Union.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

The school tested mustard gas for the U.S. Army during World War I.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

A fantastic array of trays and cables once whisked books over to the Capitol at 600 feet per minute.

This poor little statue is the most vandalized memorial in Washington.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

The institution is sitting on a goldmine of 21,000 paints, varnishes, pigments, and primers preserved for posterity.

The "lovely red Vega" of the legendary record-settling pilot.