Venus Geology
The substance and history of Earth's inner neighbor.
Introducing Venus
Introducing the mysterious cycles of Venus geology.
Geology of Venus from Magellan
A wide-ranging set of Venus slides from the Magellan program plus the Venera 13 lander, from the Lunar and Planetary Institute.
Magellan Mission to Venus
NASA's Jet Propulsion Laboratory keeps this archive of the great 1990-1993 science mission that mapped the planet in detail using radar.
Mapping Status of Venus
The U.S. Geological Survey is making maps of Venus as funding permits; see labeled PDFs of each quadrangle here.
NSSDC Venus Page
The National Space Science Data Center has many global maps and other images from Magellan and its predecessor missions.
Online Data Volumes
The Planetary Data System connects you to ALL Magellan image data in this hard-core scientific resource.
The Soviet Exploration of Venus
Don Mitchell's intimate treatment of "the largest effort ever undertaken to study another planet" brings some of the voluminous Russian data--pictures, spacecraft, biographies--to the world's eyes. The Images section is particularly nice.
Stratigraphy of Venus
This November 2002 Geology paper (PDF) by Alexander Basilevsky and James Head pieces together the global history of Venus.
Venus Image Browser
The U.S. Geological Survey's Planetary Data System makes it easy to zoom in anywhere on Venus.
Venus Revealed
A fun page from David Grinspoon's funkyscience.net serves geologic images and lots more, like Zsa Zsa Gabor portraying a Venusian scientist.