Mount Everest (8,848 metres (29,029 ft)) is the world's highest mountain and a particularly desirable peak for mountaineers. However, over 200 people have died trying to climb it.
Source
Wikipedia
Premier League 2011-2012 season stats and team incomes
Data at football-data.co.uk
Financial data at Premier League accounts, 2011-12
La Liga Primera División current season 2012-2013 stats (spanish soccer competition first division)
Soccer stats greater than season average, winner made more shots/shots on target/fouls committed/corners/yellow cards/red cards
This file contains the data used to build a predictive model for the 2015 Belmont Stakes given 25 years of historical Triple Crown racing results.
American League Baseball Salaries (2003)
mathforum.org datasets
La Liga Primera División current season 2012-2013 (spanish soccer competition first division)
Soccer stats, goals, shots, fouls, corners, yellow cards, red cards, match results, winners...
Example dataset about freemium data.
NCAA dataset, 5146 matches between 2012-11-09 and 2013-03-10, with different data for Home and Away teams.
Home score / fouls / blocks / steals / ...
Away score / fouls / blocks / steals / ...
Winner (Home or Away)
Soccer Players stats in Spanish BBVA League 2011-2012