Legend tells how a Spanish soldier disappeared from this isolated sentry box without a trace.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

The beloved, war-tested mascot of a Union regiment graces their battlefield monument.

A diorama of the Civil War, fought by cats.

Built by the patriotic residents of Boonsboro in a single day.

This grisly headstone doesn’t seem to be resting in peace.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

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

A Foundry on a Sleepy Street.

Direct, creative challenge to Mother Nature's winter wrath.

A Building for Your (Former) Funerary Needs.

No one's quite sure where this quirky university tradition originated.

America's largest viking stands in a Minnesota city that believes it was visited by the ancient nords.

One of two giant blue cockerel statues erected with an intentional double meaning.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.

An abandoned bus station transformed into a museum dedicated to the history of Greyhound Lines, in the place where it all began.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

The Art Deco Silver Screen.

A palatial art deco restroom.

This iconic water tower and failed bandstand is open for panoramic views once a year.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.