Legend says that these tall basalt pillars are the petrified wives of a trickster god.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A 300-ship graveyard, with a few still visible at low tide.

Guns that have been defending San Francisco since 1904.

Once the gateway to the utopian dream-village of a Civil War embalmer.

Law-protected wreckage serves as a peculiar memorial for an almost forgotten World War II tragedy.

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

This abandoned boat was left in place thanks to its rotting beauty.

This massive redwood tree has a hole in the base big enough to drive through.

Canyon walls shrouded in ferns.

The rocks in this arid basin leave trails of movement behind them.

Experience a charming 1930's version of "infotainment."

The world's most remote memorial to the victims of the UTA Flight 772 disaster.

Remains of a Greek freighter trapped off of Rocky Point in 1961.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

Nature is leading a successful mutiny on this century-old freighter.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

This derelict building used to house infirm Freemasons, their widows, and orphans.