This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

This 19th century machine put animals (including humans) in boxes to study how they metabolized calories.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

This museum boasts a bucket of teeth and tells the tale of a 20th-century dental circus.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.