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

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Visible below the waves are memorials to the city's Gold Rush dead.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

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

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

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

Honoring Italian greats from Joe DiMaggio to Rocky Marciano.

Theater has had many different incarnations but has survived the ravages of time.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

No one knows how many bodies are in this vault in a Chicago public park.

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

These pretty kitties killed and ate as many as 135 railway workers.

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

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

A century-old network of freight tunnels underneath the city's historic business district.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.