This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

This 45-story tall abandoned skyscraper is the third tallest building in New Orleans and Lousiana.

An early-19th-century hotel with a past that is steeped in the Civil War.

Local myth claims this is a Sears catalogue home with its windows installed upside-down.

This 19th-century sugarcane plantation is one of the most well-preserved estates of its kind, including its original quarters for enslaved laborers.

You thought Santa Claus didn't exist, but it turns out you were wrong.

Possibly the smallest church in the world floats in the middle of a pond.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

This one-man homegrown eatery may be the world's most exclusive restaurant with its five-year waiting list.

A CT scan revealed the identity of this 3,000-year-old mummy that everyone erroneously thought was female.