Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

137 graves holding New England's earliest residents.

House used in the 1971 horror film "Let's Scare Jessica to Death."

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

Ruins of a historic medical facility sits eerily by the water.

This picturesque Victorian ghost town was once a thriving mill community.

An abandoned 146-acre summer resort slowly being reclaimed by nature.

This enormous abandoned factory is now a makeshift graffiti gallery.

The world's largest public collection of PEZ memorabilia.

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

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

This abandoned semaphore station hearkens back to the days of the optical telegraph.