The wonkiest, weirdest, most impractical and outrageously priced homes up for sale this week. Have a listing in mind? Send it to mbaskin@washingtoncitypaper.com. 

• A palatial, $18 million Georgetown home. [Zillow]
• This $7.45 million, 10,000+ square foot Spring Valley home can’t decide which decade––or even century––it’s from. [Zillow]
• There’s nothing like a half-purple home to soothe the senses. [craigslist]
• This $885,000 rambler with rooms that look like they’re in an office building circa 1964. [craigslist]
• Off-market properties, anyone? [PoPville]
• This hundred-year-old, unlisted Lamont Street NW townhouse. [Redfin]
• A trendy $515,000 Trinidad number just east of 17th Street NE. [craigslist]