This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

The 28-foot granite map plots the locations of 40 theaters in New York City.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

Worker-owned cooperative and resource for those looking to lighten their ecological footprint.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

An vast warehouse of everyday treasures in Berkeley, CA.

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

A promotional sun clock on the site of San Francisco's great raceway.

Tiki luxury on Nob Hill.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

There must be a pun in this haystack somewhere...

A Manhattan Episcopal church with an eerie underground crypt.

Commemorating the spot where the famous scientist fed his pigeons.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A very classy 1920s-era bar right in Grand Central Station.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A bit of retro transportation flair preserved in the world's largest department store.

Mysterious 500-year-old tapestries depict a unicorn hunt.