5 Dollars U.S. Capitol Visitor Center

Congress authorized this coin as part of a three-piece commemorative set tied to the opening of the Capitol Visitor Center — a project that was, at the time of the coin's release, still years from completion. The center didn't open until December 2008, making the "Visitor Center" branding on the 2001 issues premature by nearly a decade.

Mintage across proof and uncirculated strikes combined was well under 100,000 — low even by modern commemorative standards, where authorized limits routinely go unfilled.