Inside the New Exploratorium; Nasty Neighbors in Buena Vista; Celebrating Building Birthdays; More!

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THE EMBARCADERO—The Exploratorium opening its new space to the public later this month is one of the most anticipated events of the year. We've already been inside, and shot a plethora of photos for your viewing pleasure.

SoMa—Looking to buy in SoMa but don't have a billion bucks to shell out? We've mapped the ten least expensive properties currently for sale in the area. Lofts and building amenities are aplenty.

MISSION DOLORES—Sometimes we forget to highlight the city's most famous historic sites because, well, everyone already knows about them. But that doesn't make them any less impressive. In honor of its basilica's 100th birthday, we took a look back at the city's (arguably) oldest building – the original Misión San Francisco de Asís – better known as Mission Dolores.

BUENA VISTA—Think your neighbors are rotten? They haven't got anything on the folks over in Buena Vista who are challenging a neighbor's quest to add a one-story vertical addition to their existing two-story home. One of the reasons the neighbors (who all live in houses WAY taller and bigger than the one in question) don't want the addition approved is because it'll "block the public yews of a Victorian-era turret" on a neighboring house. We've chronicled the drama for you.

SAN FRANCISCO—We're feeling celebratory over at Curbed, so we thought we'd publish a map spotlighting the city's centenarians. Check out 13 San Francisco buildings that turn 100 in 2013.

TELEGRAPH HILL—Did you know that television was invented patented right here in San Francisco? Yup, it's true! It happened at an unassuming building in the Northeast Waterfront District at the base of Telegraph Hill back in 1927.

RUSSIAN HILL—Why would more than 4.5 acres of ocean view property on Russian Hill sit inaccessible and unused for half a century and counting? We break down one possible proposal for the Francisco Reservoir.

SoMa—We've got demolition photos of the 0ld Trinity properties at 8th and Market streets!