The Buddhist Channel: this massive site is sort of a Buddhist news site. Keep up to date with what's happening around the Buddhist world here. Includes feature articles about subjects like archeology, art & culture, what's happening in Oceania, Asia, North America and Europe. A very interesting site.
Buddhist Dictionary: This digital dictionary, edited by Charles Muller, is password protected but allows 10 searches per 24 hours for free. See their password access page for more details.
Buddhist Tourism: A site for the dedicated Buddhist tourist. Extensive and includes many different countries as well as basic information about Buddhism.
Cult Information: This link will take you to The Cult Education Institute (CEI), formerly known as the Ross Institute of New Jersey, for information on cults and other weird groups. Useful site for checking out what people are up to. It's a huge site.
The Japanese Garden : Beautiful site with excellent photos of 24 gardens, mostly in temples in Kyoto. Includes a short history and explanation of the elements of a traditional garden. Recommended site for those interested in the topic.
Killing the Buddha: an eclectic collection of essays. "Killing the Buddha is a religion magazine for people made anxious by churches, people embarrassed to be caught in the "spirituality" section of a bookstore, people both hostile and drawn to talk of God..." Has some interesting essays; worth a visit.
Mudras: "A mudra is a bodily posture or symbolic gesture. In Buddhist iconography every buddha is depicted with a characteristic gesture of the hands." This site shows 10 common mudras. Taken from the Shambhala Dictionary.
More illustrated mudras here.
Onmark Productions has some excellent examples.
Onmark Productions: this site has a wealth of information of interest to Buddhists, including guides to mandalas, Buddhist robes, mudras, sacred objects used in statuary and paintings as well as some basics about Buddhism. This site is well worth spending some browsing.
OrientalArchitecture.com: Not exclusively Buddhist but a photo compilation of sacred sites and architecture from around Asia; "a photographic survey of Asia's architectural heritage". Has 595 sites in 18 countries and over 9,000 photographs. For those interested in ancient architecture, a worthy site.
Sri Ramana Maharshi: Who Am I? A translation of Ramana's basic teaching. This short piece is the core of Ramana Maharshi's teachings.
Realization.org: This site is about Hinduism. Articles by Sri Nisargadatta Maharaj, David Godman, translations of Hindu texts by Max Muller and others, and other stuff. The link will take you to their articles page.
Religion Online.org: A huge site with over 4,700 articles, all Christian-based, as far as I can tell.