The celebrated eyesore created by starry-eyed sweethearts.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

Concrete strongholds stand guard over the Golden Gate.

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

San Francisco's newly reopened hands-on science museum.

An avant garde art museum at the University of Chicago.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

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

A beloved Chicago music venue offering cold beer and lots of “Friendly."

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

A Bibliophile's Dream.

A speakeasy takes on Chicago's drinking culture.

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

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

This shop for all your super spy needs hides an educational secret.

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

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

This historic hotel invented the chocolate brownie.

Solar powered Spectacle Island features all-green facilities.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

Ice cream stand, snack bar, and time capsule of milk conveyance.

This is the house that spite built.