What's the must-see thing in Louisville?

The Muhammad Ali Center sits at the corner of 6th and Main in downtown Louisville, about a 12-minute walk from most downtown hotels. Ali grew up on Grand Avenue in Louisville's West End, and the museum opened in 2005 along what locals call Museum Row. The ground-floor atrium is all glass and steel, with afternoon light reflecting off the Ohio River 2 blocks north. You walk through themed galleries, and the centerpiece is a full-size training ring where Ali's actual speed bag still hangs. The 1960 Olympic gold medal is on the second floor, smaller than you'd expect. Mind you, half the Ali Center covers his civil rights work, his refusal of the Vietnam draft in 1967, and his complicated relationship with Louisville's segregated West End. Adult tickets cost about $15, children 6-12 pay $8, and the place rarely gets crowded before noon on weekdays. Allow about 2 hours.

Churchill Downs sits on Central Avenue in South Louisville, about 4 miles from downtown. The twin spires have topped the grandstand since 1895, and even on non-race days the Kentucky Derby Museum at Gate 1 runs a 90-minute tour that takes you onto the actual track. The surface is a spongy loam-and-sand mix that feels nothing like packed dirt. The first Saturday in May is the Kentucky Derby, held at this track since 1875, but unless you're visiting Derby weekend, the museum tour is the better experience anyway. You can watch morning workouts from the grandstand rail between 5:30 and 10am on training days, when mist sits on the infield and the sound of hooves carries across the empty stands. Museum admission runs about $18 for adults. The on-site Derby Cafe serves a respectable hot brown for about $14.

The Louisville Slugger Museum & Factory sits at 800 West Main Street, marked by a 120-foot steel bat leaning against the facade. The factory tour runs about 30 minutes and follows a raw cylinder of northern white ash through the lathe to a finished bat. The production floor smells like a sawmill, and fine wood dust catches the afternoon light from the warehouse windows. Everyone gets a miniature souvenir bat at the end. Admission is about $18 for adults. The museum side holds game-used bats from Babe Ruth, Ted Williams, and Derek Jeter, plus a batting cage where you can swing against 70 mph pitches. The whole visit takes about 90 minutes and sits 3 blocks east of the Ali Center on the same street.

All three downtown sites sit within a 15-minute walk along West Main Street, which makes the first-day route obvious. Start at Louisville Slugger when it opens at 9am, walk 3 blocks east to the Ali Center, then head to Churchill Downs by car or a TARC bus, about 25 minutes south on Central Avenue. In June, humidity tends to hover near 80% and afternoon temperatures currently reach 27°C but feel closer to 31°C, so front-load the outdoor Churchill Downs visit before 11am if possible. Louisville's top attractions are smaller in scale than the Smithsonian or the Met. What they have is specificity. The Ali Center, Churchill Downs, and the Slugger factory exist nowhere else, and a first-time visitor can cover all three in a single day for about $51 in combined admission.