Places ghoulfiend Wants to Go

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

A collection dedicated to the treatment of disease, held in London's oldest hospital.

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

One of the world's largest collections of pathological specimens.

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

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

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

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

A winding path built in secret on the edge of the continent.

In the basement of a San Francisco performing arts center, a small museum dedicated to the history of showgirls.

This contorting sculpture is the tallest in San Francisco.

A shining, cold, black organ lies in San Francisco's financial district.

A monumental cross hides in the trees in Golden Gate Park.

America's oldest Italian restaurant is a San Francisco institution.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

The restored and active Victorian-era final resting place of San Francisco.

Olfactory delights in San Francisco's Botanical Gardens.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The only theatre in the world constructed specifically for sound movement.

A 140-year-old castle with underground caves hidden in San Francisco.

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