10 Abandoned Mansions That Likely Used to Be Worth Millions

• Even the most expensive, extravagant homes can fall into disrepair without proper care.
• These mansions were likely worth the equivalent of millions of dollars when they were built.
• Years later, they sit abandoned in varying states of deterioration. 

When they were built, these lavish homes were likely worth today’s equivalent of millions of dollars. Now, they’re falling apart.

From a villa that’s been sitting empty for 70 years on an island in upstate New York to a former party mansion in Tennessee, here are 10 abandoned mansions around the world that were likely once worth millions of dollars.