To be considered a historical landmark, buildings must be at least 50 years old and contain at least one Founding Father's skeleton. Feel history in your bones with this Groupon.
Choose from Three Options
- $8 for a guided observatory tour for two (up to a $16 value)
- $15 for a guided observatory tour for four (up to a $32 value)
- $21 for a guided observatory tour for six (up to a $48 value)
The 45-minute walking tours are available daily through Columbus Day (October 8). Doors open at 10 a.m., and the last tour departs at 4:30 p.m. Children younger than 6 receive free admission with a paid adult.