Every birth, death, and marriage is recorded in these color-coded leather-bound books.

This early version of the guillotine was used to execute the man responsible for its construction.

Small museum dedicated to the founder of electromagnetic theory.

A library where thousands of books explain how to avoid another Great Recession.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

A secret garden in a picturesque Edinburgh village has inspired artists for centuries.

A book bound in the skin of an infamous criminal, along with countless other specimens.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

This series of Scottish caves has no clear purpose other than baffling historians.

Where the rich wintered in Pasadena.

Apartment building was once posh playground to the Hollywood elite.

Pasadena glamour turned government issue.

A ruined hotel with an unlucky history and an eerie present.

Where a great scandal unfolded with a famous female revivalist at its center.

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

An eclectic trailer park retreat in the middle of the California desert.

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

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

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.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A psychedelic labyrinth on the San Francisco bay.