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

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Designed to commemorate the king's coronation.

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

A 2,000-year-old Adena burial mound located along a busy street in Columbus, Ohio.

Just outside the Ohio Supreme Court sits a testament to justice.

One of the last few period-correct, hand-operated canal locks in the country.

This presidential tomb was not dedicated until years after Harding's death due to personal controversy.

It took more than 20 years and a sharp eye for one man to assemble this quirky collection.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

Mausoleums, astronomy, and animatronic dinosaurs at this memorial to an assassinated American president.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

An abandoned asylum incorporated into a college campus.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."