Take a look inside Lyndhurst Mansion, a historic 14,000-square-foot Gothic Revival home featured in 'The Gilded Age'

• Lyndhurst Mansion in Tarrytown, New York, belonged to three elite New York City families.
• Completed in 1842, the Gothic Revival mansion spans 14,000 square feet.
• The Max show "The Gilded Age" was filmed inside the mansion and on the 67-acre grounds.

Lyndhurst Mansion in Tarrytown, New York, once belonged to three of New York City's wealthiest, most elite families. Now, it's a museum and an occasional film set for the Max show "The Gilded Age."