Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

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

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

San Francisco's newly reopened hands-on science museum.

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

Depicting scenes of everyday life - and specific individuals - in Great Depression era San Francisco.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A giant Troll lurks under one of Seattle's oldest bridges.

This former coal gasification plant found a curious second life as a popular public park.

A museum dedicated to the history and exploration of both popular music and science fiction.

Beijing's version of Disneyland, completely abandoned, mostly destroyed.

The once highest point in China blends symbolic design with a kick of adrenaline.

A giant scale model giving a sneak peek at what urban planners see for Shanghai by 2020.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

This blowhole is supposedly caused by a trapped monster.

This former luxury resort in Kaua'i is now an abandoned relic.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.