This Los Angeles animation studio is keeping the wonder of stop motion puppetry alive.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

An abandoned munitions storage facility with a rich architectural history.

Once home to a thriving oil industry, this town now sits eerily abandoned.

The last of its kind in the country.

World's largest collection of serial killer artwork and other macabre exhibits.

The three biggest silent film stars once shot iconic scenes here.

A Los Angeles cemetery that was once at the center of a Supreme Court dispute.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

Everyone remembers Laurie Strode from Halloween, but this is the house where most of the blood was shed.

A ghost town at the airport is now a refuge for blue butterflies.

The private clubhouse for the members of the Academy of Magical Arts.

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

This lookout tower built in the 1930s is now an in-demand cabin with what might be the best view of the Seneca State Forest.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

A massive marble foot is tucked away in a small alley near the Pantheon.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

Roman-era ships unearthed...

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

A modern sliver of architecture in Roma.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.