Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

The stones that traveled from Spain to eventually become a holy place for San Francisco's nature worshippers.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

Once a menacing challenge for trailblazers, this trail is now the most scenic drive in Utah.

It specializes in outsider art and artifacts of secret societies.

Detailed facade of a brownstone in Boerum Hill.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

This folk art compound was built by a fortune teller on the advice of three people from the future.

A vast city of the dead, where the deceased outnumber the living by more than a million.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

A volcanic fissure over two miles long and up to 70 feet deep.

An eatery for UFO seekers on the Extraterrestrial Highway.

This amazingly preserved Gold Rush town is a historian's dream.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

All of Chicago's wood-paved streets are long gone but two alleys remain.

Pizza with a side of fine art.

Seattle's own bad art museum located inside Cafe Racer.

The mysterious round rocks of Schooner Gulch.

This medieval village/restaurant perpetually celebrates the year 1376.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

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

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Mai Tais and Navy Grog served up in one of the original tiki bars.