Mainstay Suites Dubuque

Grand Opera House

The Grand Opera House is the oldest theater in Dubuque and was built in 1889-1890 at an estimated cost of $65,000. Done in the Richardsonian architectural style, the original facade consists of St. Louis brick facing with Bayfield red sandstone trim. Dubuque'

National Mississippi River Museum and Aquarium

Crystal Lake Cave

Take a guided tour through over 3,000 feet of well-lit passageways, showing nature's crystal menagerie and intricate formations. Gift shop and picnic grounds also on site.

Fenelon Place Elevator

Also known as the Fourth Street Elevator, this is the world's shortest, steepest scenic railway. Erected in 1882, the lift is 296 feet in length, elevating passengers 189

Dubuque Welcome Center