One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

This lakefront cottage was crafted in the 1800s and was once a sanitorium.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

Salute the leader of the proletariat.

The oldest surviving synagogue in New York City is now a soaring art space.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

New York City's only radical feminist independent bookstore.

Prove you deserve to be fed by Kenny Shopsin.

Become a prohibition rebel.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

A hidden "place of interment for gentlemen."

A hip bar decorated with walls of golden skulls.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

Established in 1937, the oldest candy shop in New York City boasts a rainbow-colored inventory that would make Willy Wonka envious.