The remains of a deserted steamboat sit rusting beside an old ferry pier and an abandoned train platform.

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

Radioactivity still cause for concern at this urban explorer's paradise.

Alleyway plaque commemorating the death of a fictional character in The Maltese Falcon, not far from the author's home.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

Half of a house.

Tiki luxury on Nob Hill.

The former Naval shipyard is open for exploring - mostly.

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

A hidden subterranean installation offers a view of the sky.

A house built from trash known as the poor man's Hearst Castle.

A chain of bells connect the California Missions and honor the legend of the "King’s Highway."

A hotel and restaurant serving as the mecca of kitsch.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

This sandstone mansion was the home of two of Oregon's most important pioneers.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

One of two side-by-side totem pole parks dedicated to educating visitors on Tlingit history and culture.

This blowhole is supposedly caused by a trapped monster.

Watch the newest land on the planet form before your eyes.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

A famous hotel houses an impression collection of mini dioramas and giant doll houses.