San Diego's most historic and haunted home.

A modest reminder of treacherous waters at the Golden Gate.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

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

This private residence was the template for one of the most beloved television homes of all time.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An ancient water supply dating back almost 500 years can still be found standing in East Sussex.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This simple apartment may have inspired some of the most important theories in the history of science.

The bears of Bern have been a city highlight for over 500 years.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

A historic observatory precariously perched at the "Top of Europe."

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

The 606 is a decade in the making.

The fantastic charm of England's oldest botanical garden has made it a place of writerly inspiration for centuries.

A historic Georgian building and warm springs.