More than 21,000 images fill this overlooked gem of a prehistoric site.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A magnificent church designed by world-renowned architect, Frank Lloyd Wright.

The famous greeting card maker owns a collection of paintings by the famed surrealist.

This unconventional used book store was once in the news for the surprising act of burning books.

This giant green head remembers one of America's jazz giants.

Talula the swan has been welcoming visitors to Elk Rapids, Michigan, for more than four decades.

The remains of the dam that unleashed a 15-foot wall of water on Denver.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

A stark reminder of the huge nuclear weapons plant that once stood on the site and its effect on the surrounding area.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Final resting place of a 19th century gold prospector and convicted cannibal.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

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

A downtown park built on top of unclaimed graves.

The seamy, underground secrets of Portland's criminal past.

Once a place of peaceful repose, this sanitarium now faces an uncertain future.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

Have a seat with the father of modern computing at this Manchester monument.

In the heart of Brigham Young's promised land sits a festering plot of industrial ruin that has been claimed by society's outcasts.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.