G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A hollow cement depiction of time's inexorable effect on the human body.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

This giant head is all that remains of a once proud statue that survived an earthquake but not a fall off of a wagon.

27-room home built with the fortune of a sugar magnate.

Half of a house.

Recovered from the brink of extinction, at home in the Financial District.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

The largest whiskey stash on the West Coast survived the 1906 fires--but not without heroic effort.

An art supply shop holds the secrets of this quiet neighborhood's raucous Barbary Coast past.

Gold Rush ship-turned-hotel buried underneath San Francisco's financial district.

Noble beasts perhaps, but not the Emperor's dogs.

A walk down memory lane in the heart of one of San Francisco's most notorious neighborhoods.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.

A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

Faceless white figures loom over the city from the rooftop.

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

Early prototype for Frank Lloyd Wright's Guggenheim.