A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

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

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Before Nixon, "watergate" meant canals.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

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

Perhaps the most scandalous statue of America's first president.

Decades before the scandal, this staircase on the river was a literal "water gate."

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

Largest Roman Catholic church in North America.

The site of the climactic scene from the classic horror film is now a historic landmark.

Furniture tries to escape an abandoned building in San Francisco.

Sitting atop San Francisco's tallest hill, a cross honors the victims of the Armenian genocide.

This contorting sculpture is the tallest in San Francisco.

A bronze tribute to a legendary Californian, the self-proclaimed "Emperor of the United States."

The oldest lawn bowling club in the United States.

A playing field for a popular French past time can be found tucked away in a quiet corner of Golden Gate Park.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

A classic advertising icon immortalized in regal bronze.

These WWII-era murals were initially booed as a libelous portrayal of the American dream but have survived multiple attempts to have them destroyed.