Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Elevated freight railway turned wildly successful urban park.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A terrific purveyor of natural history objects and curios.

The subtle science of a master molecular gastronomist.

An antiquated German apothecary on Chicago's North Side.

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

A lush green oasis in the middle of Chicago.

An original apothecary from 1792.

This nine-story building is the oldest standing skyscraper in D.C.

The world's oldest soul food restaurant is also one of its best.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

Decades before the scandal, this staircase on the river was a literal "water gate."

The most accurate timepiece in the world.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

A painfully obvious spy house sits right across the street from the Russian Embassy.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Home to items never before seen by the public.

Fittingly, America's museum of architecture is itself a magnificently designed old building.