Well, apart from the ISS they´ve given up on circling the earth in low orbit because they´re not even capable of doing that safely so I don´t really see them venturing further afield this century.
Really? (yawn....)
Apollo - NASA Manned Lunar Program (1963 - 1972)
Cassini - NASA/European Space Agency Mission to Saturn (1997)
Chandrayaan-1 - ISRO (India) Orbiter to the Moon (2007)
Chang'e 1 - CAST (China) Orbiter to the Moon (2007)
Chang'e 2 - CAST (China) Orbiter to the Moon (2010)
Chang'e 3 - CSNA (China) Lander and Rover to the Moon (2013)
Clementine - DoD/NASA Lunar Mapping Mission (1994)
CONTOUR - NASA Fly-by Mission to three Comet Nuclei (2002)
Dawn - NASA Asteroid Ceres and Vesta Orbiter (2007)
Deep Impact - NASA Rendezvous and Impact with Comet Tempel 1 (2005)
Deep Space 1 (DS1) - NASA Flyby Mission to asteroid 1992 KD (1998)
Deep Space 2 - NASA Penetrator Mission to Mars (1999)
Galileo - NASA Mission to Jupiter (1989)
Genesis - NASA Solar Wind Sample Return (2001)
Giotto - ESA Mission to Comets Halley and Grigg-Skjellerup (1985)
Hayabusa (Muses-C) - ISAS (Japan) Sample Return Mission to Asteroid Itokawa (2003)
Hiten - ISAS Flyby and Orbiter Mission to the Moon (1990)
Huygens - NASA/European Space Agency Mission to Saturn's satellite Titan (1997)
ICE (ISEE-3) - NASA Mission to Comet Giacobini-Zinner (1978)
Kaguya (SELENE) - JAXA (Japan) Orbiter to the Moon (2007)
Luna - Soviet Lunar Missions (1959 - 1976)
Lunar Orbiter - NASA Lunar Mapping Missions (1966 - 1967)
Lunar Prospector - NASA Global Orbiter Mission to the Moon (1998)
Magellan - NASA Venus Radar Mapping Mission (1989)
Mariner 2 - NASA Venus flyby (1962)
Mariner 4 - NASA Mars flyby (1964)
Mariner 5 - NASA Venus flyby (1967)
Mariner 6 - NASA Mars flyby (1969)
Mariner 7 - NASA Mars flyby (1969)
Mariner 9 - NASA Mars orbiter (1971)
Mariner 10 - NASA Mission to Venus and Mercury (1973)
Mars Climate Orbiter - NASA Orbiter Mission to Mars (1998)
Mars Exploration Rover Opportunity - NASA Rover Mission to Mars (2003)
Mars Exploration Rover Spirit - NASA Rover Mission to Mars (2003)
Mars Express - ESA Mars Orbiter and Lander (2003)
Mars Global Surveyor - NASA Global Orbiter Mission to Mars (1996)
Mars Observer - NASA Mission to Mars (1992)
2001 Mars Odyssey - NASA Orbiter Mission to Mars (2001)
Mars Pathfinder - NASA Environmental Survey Mission to Mars (1996)
Mars Polar Lander - NASA Lander Mission to Mars (1999)
Mars Reconnaissance Orbiter - NASA Orbiter Mission to Mars (2005)
Mars Science Laboratory - NASA Rover Mission to Mars (2011)
Mars 96 - Russian Orbiter and Lander Mission to Mars (1996)
MESSENGER - NASA Orbiter to Mercury (2004)
NEAR - NASA Rendezvous Mission to Near-Earth Asteroid (1996)
New Horizons - NASA Pluto Kuiper Belt Flyby (2006)
Nozomi (Planet-B) - ISAS (Japan) Orbiter Mission to Mars (1998)
Phobos - Soviet Missions to Mars (1988)
Pioneer Venus - NASA Orbiter/Probes to Venus (1978)
Pioneer 10 - NASA Jupiter flyby (1972)
Pioneer 11 - NASA Jupiter flyby (1973)
Ranger - NASA Lunar Impact Missions (1964 - 1965)
Rosetta - ESA Rendezvous Mission to Comet Churyumov-Gerasimenko (2004)
Sakigake - Japanese ISAS mission to Comet Halley (1985)
SMART 1 - ESA Orbiter to the Moon (2003)
Stardust - NASA Coma Sample Return Mission to Comet P/Wild 2 (1999)
Suisei - Japanese ISAS mission to Comet Halley (1985)
Surveyor - NASA Lunar Lander Missions (1966 - 1968)
Ulysses - NASA/ESA Mission to study the solar wind via Jupiter (1990)
Vega 1 - Soviet mission to Venus and Comet Halley (1984)
Vega 2 - Soviet mission to Venus and Comet Halley (1984)
Venera - Soviet Missions to Venus (1967 - 1983)
Venus Express - ESA Orbiter to Venus (2005)
Viking - NASA Orbiters/Landers to Mars (1975)
Voyager - NASA Missions to Jupiter, Saturn, Uranus, Neptune, and beyond (1977)
Zond - Soviet Lunar Missions (1965 - 1970)