Places cavalonja Wants to Go

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A Roman spa buried deep beneath the City of London.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

The television series' iconic giant foot was borrowed from this classical painting.

Repository for more than 22 million pickled specimens.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A mysterious artist-run cabinet of curiosities and library.

The remains of Crystal Palace Great Exhibition of 1851.

London's smallest police station is barely the size of a phone booth.

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

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

A cluttered and astounding collection of antiquities and curiosities.

This hidden green space is the city's second largest conservatory.

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.

Remnants of a Victorian garden feature sitting in public woodland.

An unusual round church in London with a Templar past.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Rebuilt remains of a temple to Roman god Mithras.

Catacombs turned marketplace.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

One part local history, 99 parts gruesome haunted house.

This South London cemetery holds the remains of more than 15,000 people.