Remnants of cells from the most notorious London prison may lie in the basement of a rare Victorian Gin Palace.

Collection dedicated to brands, packaging and advertising.

English antique dealers with a taste for the unusual.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

A network of concealed passageways lies within a busy London Underground station.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

A mysterious artist-run cabinet of curiosities and library.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

400-year-old garden, restored to beauty.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

An incarceration museum on the spot of possibly the oldest prison in England.

The anatomical-pathological collection of a man who changed surgery.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Remnants of a Victorian garden feature sitting in public woodland.

Catacombs turned marketplace.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

Human-made caves excavated to hide a secret society of wealthy pagans.

This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

A modern English garden of eccentric beasts, follies, and oddities.