Austin: $29 for a 90-Minute Water-Bike Bat-Viewing Tour for Two from Austin Water Bikes ($70 Value) (expired)

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Fusing two modes of transportation can result in more efficient travel as evidenced by water taxis, airbuses, and horse-drawn skateboards. Experience successful transport synthesis with this Groupon.

$29 for a 90-Minute Water-Bike Bat-Viewing Tour for Two ($70 Value)

At dusk, passengers of all ages climb onto beginner-friendly and stable water bikes to explore Lady Bird Lake and the dazzling spectacle of the 1.5 million mexican free-tailed bats that live under the Congress Avenue Bridge. The guided tour normally starts around 7:30 p.m., depending on when the sun sets.