A luxury hotel constructed out of a former jail.

A work of art that pays homage to a Victorian timepiece in Providence.

The best way to get a sneak peek at the movies.

Home to a dizzying array of letterpress blocks with a rich history.

The home of the first American-born saint is one of the only curved buildings in New York.

The only subway station in the city that still makes use of gap fillers.

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

On the hills of Bay Ridge stands a house straight out of a fairy tale.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

One of the oldest carousels in the United States is still running in the coastal village of Watch Hill.

Constructed in 1676, this stone memorial is believed to be the oldest veteran's memorial in the United States.

The oldest continuously operating pharmacy in Europe.

The painter who popularized "bulls" and "bears" as symbols for the stock market didn't get a proper headstone for over a century.

Once a popular watering hole among longshoremen and shipyard workers, this neighborhood treasure spans more than 100 years of Red Hook history.

This innocent-looking townhome is actually a subway exit.

Ride the subways of yesteryear.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

The ballpark in "Pigtown" where the Brooklyn Dodgers made their name was replaced with a huge apartment complex.

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

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

This controversial statue has migrated twice in its life.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

Detailed facade of a brownstone in Boerum Hill.