Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

Continuing the tradition of the dime museum in style.

An emerald-green grotto just a short trip from Austin.

Three hundred years of preserved Spanish colonial history in San Antonio.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

Concrete strongholds stand guard over the Golden Gate.

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

A modest reminder of treacherous waters at the Golden Gate.

A winding path built in secret on the edge of the continent.

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

A huge musical instrument played by the ocean.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

This private residence was the template for one of the most beloved television homes of all time.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.