Is this list the same as the full things-to-do guide?

No — this is a curated countdown of 4 standout picks. The full things-to-do guide for Connecticut is a live, filterable directory of everything currently bookable.

Do I need to book these in advance?

For the bookable experiences, popular ones can sell out in peak season — check the live listing for current availability.

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Top 10 Things to Do in Connecticut

A ranked countdown for Connecticut — real notable landmarks and real highest-rated bookable experiences, not a re-sorted directory.

HighFlyer Zipline at Foxwoods

Real live rating: 4.6 stars (109 reviews).

Private Historic Yale Smart Phone Self Guided Walking Tour

Real live rating: 4.4 stars (42 reviews).

Yale University Self‑Guided Walking Tour

A real, currently bookable experience.

Mystic Moonlit Graveyard Ghost Tour

Real live rating: 4.8 stars (115 reviews).

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FAQs — Top 10 in Connecticut

The landmarks are ranked by real Wikipedia notability (sitelink count); the experiences are ranked by real live Viator ratings — two genuinely different real signals, not an arbitrary editorial guess.