Every room at the new Crowne Plaza Chicago Metro hotel, in the West Loop, has a balcony and free "sleep kits" with a mask and lavender spray (crowneplaza.com).

Through November, the FreeStayMaine program gives cruisers a voucher for one night at select hotels across the state (freestaymaine.com).

At the Ingenuity Festival in Cleveland, July 7-16, look for slow-motion break-dancers in robotic costumes and a 3-D virtual-reality cave created by NASA (ingenuitycleveland.com).

This July, the National Aquarium in Baltimore inaugurates a family sleepover program called Down Under Dreaming, with a behind-the-scenes tour, dinner, snack, and breakfast (aqua.org).

It's now illegal to smoke in all public spaces in Colorado.

Chukka Caribbean Adventures, a tour operator in Jamaica, will begin running dogsled tours this summer (chukkacaribbean.com).

On July 8, pranksters will line up along the train tracks in Laguna Niguel, Calif., to moon Amtrak passengers; it's an annual event (moonamtrak.org).

Berlin has a new $900 million central train station. Called the Hauptbahnhof, the glass-and-steel structure will eventually see over 1,000 trains a day passing through.