Volunteer-run library dedicated to exploring five decades of activism history.

Detailed facade of a brownstone in Boerum Hill.

An arcade packed with a rotating collection of unique independent video games.

Abandoned power station once home to a squatter community, now being developed into an arts center.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

The god of wine stares out at passersby on this busy Pittsburgh thoroughfare.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

This public park was the site of the largest civilian disaster of the Civil War.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

There aren't too many operational funiculars around, but Pittsburgh has two!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

The oldest alley in San Francisco is paved with a reminder of the city's original shoreline.

The original place where water met land in the City by the Bay is outlined in brass.

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

Once the site of speeding horses, now home to picnickers and public concerts.

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

These subterranean storage areas hold emergency water reserves.

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

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

Faceless white figures loom over the city from the rooftop.

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