The oldest house in the capital of Silicon Valley.

The inventor of the Coney Island hot dog rests in a grand mausoleum in Brooklyn.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

Built just after the American Revolution, the oldest row house in New York City still stands in Chinatown.

One of two lighted lanterns hung in the church belfry on the eve of the Revolutionary War to warn that the British were on their way.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The "Seinfeld" diner.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.

Some of the best Persian food in New York comes from the front window of an unassuming pizza shop.

A terrific purveyor of natural history objects and curios.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

Alexander Hamilton’s creation caused quite a bit of controversy.

This secluded ruin was once a home for exotic plants.

The schoolhouse where Jesse Merwin, the inspiration for the "The Legend of Sleepy Hollow" character, once taught.

For almost a century, this East Village newsstand has served egg creams to beats, hippies, punks, and everything in between.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

This beloved roadside attraction welcomes visitors with his signature neon smile.

A garden oasis filled with flowers mentioned in the works of William Shakespeare.