Walk the grounds of the Texas state capitol, just 3 blocks away from the wedding venue.
Grab some BBQ at Terry Black's
Walk the campus of the best university inside and outside of Texas!
Grab a cold drink and the best $4 burger this side of Town Lake at Savannah's bar and grill!
Dive into the year-round 69 degree, spring-fed waters of Barton Springs.
Walk the boardwalk/hike & bike trail to see the Austin skyline and possibly some characters that Keep Austin Weird.
Visit The Driskill for a drink or just to take in the sites. You can also stay here during the trip, but just note it's in the heart of 6th...and haunted.
Walk up/down Congress Avenue from the river to the Capitol with shops, restaurants, bars, and crazy folk all over. If you want to explore a bit more, take an Uber/Lyft to South Congress for even more cool shops.