Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

The large collection of pre-Columbian pottery might make you blush.

The outside of this exposed Moche pyramid is covered with striking colorful adobe friezes.

This historic street in Quito is known for its seven stone crosses—and one presidential assassination.

America's first federal monument.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The romance of early commercial flight still fills this Art Deco destination.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

The world's oldest soul food restaurant is also one of its best.

The former home of elite checkers battles of the Capital Pool Checkers Club.

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.

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

These unusual rooms on wheels are holdovers from the 1960s.

Three columns of volcanic rock shoot out of the ocean.

Mysterious Incan ruins on a tiny island in Lake Titicaca.

This research center for rare prosimians is studying how they sleep to help prolong human life.

The world’s largest combined collection of U.S. and Russian aircraft got its start in a poultry building.

The second-tallest water tower shaped like a peach in the American South.