One of the first skyscrapers in Santa Monica, and a famous getaway for the Hollywood elite of then and now.

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

A historic hotel in an old California railroad town with a rowdy reputation.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

Only hotel where you can legally launder money.

San Francisco's most expensive hotel suite includes a secret passageway rumored to have been used by JFK.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Two men, two visionaries of Venice Beach, one little hotel that smells like cookies.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

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

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

100 years later, they're still down there.

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

A friendly pub with a sordid past in cock fighting.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Tucked away in a corner of a Maine general store there was a museum devoted to an equally beloved and reviled local soft drink.

Its buzzing collection honors vibrator history.

This Chinese museum proves that it's a watermelon world, we're all just living in it.

A showcase of canine neckwear spanning five centuries of doggie fashion and function.