The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Site of the first pathological and bacteriological research facility in the United States.

One of only two commuter aerial tramways in the United States.

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

A century-old historical movie theatre that plays a mix of independent and mainstream films.

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

The headquarters of the famous Yale society.

While many places make the claim, the Library of Congress says this restaurant is the birthplace of the hamburger.

This now-abandoned part of the original transcontinental railroad route provides a surreal driving and historical experience.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.