GardenFREE
📍 Cambridge · Cambridge & Inner Suburbs
Historic garden cemetery and landscape open daily 8 am–5 pm (Washington Tower 8–4). Popular for contemplative walks and horticulture; more than 200,000 visitors a year per the official visit page.
🕑 Daily 8am–5pm
✓ Checked on the official page Nov 3, 2026
Details Official site ↗Historic SiteFREE
📍 Cambridge · Cambridge & Inner Suburbs
NPS historic house that served as George Washington's headquarters during the siege of Boston and later as the home of poet Henry Wadsworth Longfellow. Free guided house tours when offered.
🕑 Hours vary by season; see the official page
✓ Checked on the official page Nov 3, 2026
Details Official site ↗