St. Louis Central Library
FreeBeaux-Arts landmark library in downtown St. Louis, free to explore inside and out.

St. Louis Aquarium at Union Station is an attraction in St. Louis, MO, part of the St. Louis guide. Cost: $25 to $50. Open year-round.
201 S 18th Street, St. Louis, MO 63103 · St. Louis, MO
Housed in the magnificently restored Union Station, this two-story aquarium sends you from Missouri's rivers to the open ocean, with touch pools, a shark habitat and playful otters along the way. Step outside and the fun keeps rolling: the 200-foot St. Louis Wheel, mini golf, carousel and the station's famous fire-and-light show over the lake.
The closest stops to St. Louis Aquarium at Union Station, ordered by straight-line distance. A few more like it, plus some different kinds of fun so you can build a full day.
Beaux-Arts landmark library in downtown St. Louis, free to explore inside and out.
0.4 mi awaySwitch it up: Sightseeing
An all-suite Marriott hotel west of downtown St. Louis with full kitchens in every suite, free hot breakfast and an indoor pool.
0.5 mi awaySwitch it up: Stay
A 10-story playground of caves, slides, tunnels and a rooftop Ferris wheel built from salvaged city treasures. Pure magic.
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Downtown St. Louis ballpark of the Cardinals, opened in 2006 with views of the Gateway Arch, hour-long stadium tours and Ballpark Village next door.
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Walk the warning track, sit in the Cardinals dugout, then dive into 11 World Series titles at the team's Hall of Fame in Ballpark Village.
0.9 mi awaySwitch it up: Tours
One of America's top-rated zoos, 14,000 animals in beautiful Forest Park habitats, and admission is always free.
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