
Entry No. 10 — the Tampa file — filed under: history
St. Petersburg Museum of History
Collector Dennis Schrader spent over 60 years amassing the world's largest collection of autographed baseballs, certified by Guinness World Records. The exhibit houses over 5,000 signed balls, featuring legends like Babe Ruth alongside curveballs signed by Neil Armstrong, Fidel Castro, and Marilyn Monroe.
The move: Challenge each other to locate the most absurd non-athlete signatures in the glass cases—from US presidents to pop culture icons.
- 📍 St. Petersburg Pier
- 💸 $$
- ⚡ Up for anything
- 🌗 Indoors
Where: 335 2nd Ave NE, St. Petersburg, FL 33701
Hours: Added 2026-07-21 — confirm current hours before you go.
Plan a visit & invite your people →
Further reading: spmoh.org · lonelyplanet.com · Atlas Obscura · Official site
last checked: 2026-07-21