Name: Castle Grayskull

Location: Eternia

Seller: Randor of the House of Miro

 Asking: $ 21,750,000

Sold: $ 20,000,000

Name: Stately Wayne Manor

Location: Gotham City

Seller:  Alfred Pennyworth

Asking: $ 1,000,000,000

Withdrawn From Market By Seller

Name: Castle Doom

Location: Latveria

Seller: Dr. Victor von Doom

 Asking: $ 21,750,000

Sold: $ 23,500,000

Name: Unknown

Location: Secret Remote Mountains

Seller: Ra's al Ghul

 Asking: $ 4,000,000,000

Sold: $ 3,550,000,000

Name: Dr. Evil's Volcano 

Location: Caribbean Island

Seller: Virtucon Industries

 Asking: One Million Dollars!

Sold: $ 995,000 + 3 Frickin' Laser Sharks 

Name: The Black Fortress 

Location: Various Locations on Krull

Seller: Lord Marshal Torquil

 Asking: Your Very Soul

Withdrawn From Market After Mysteriously Crumbling To Dust & Getting Sucked Into Sky