The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

Golden Gate Park's historic collection of plants.

A popular European tradition makes its way to the states on one of America's most famous bridges.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

An abandoned train station still stands as a testament to the region's industrial and transport history.

A hand-painted advertisement for chocolate adorns the walls of this historic building.

A house mixing elements of Chinese and Mexican architecture stands as a tribute to the Chinese-Mexican bishop who lived here.

Its sunny hues are believed to have inspired the town's color palette.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.