The best in Christian pop will gather at Union Reservoir this summer for Heaven Fest. Embed yourself in the masses as a concert goer or volunteer for a Woodstock-style look at the summer of Christian love.

Denver is launching a full-scale public bicycle sharing system. Take out a bike. Describe where this system gets its money and how much it costs. Liken it to car sharing programs that Denverites might already be familiar with.

A wave of Tai Chi will circle the Earth on World Tai Chi Day as, 10 a.m. local time everywhere, Tai Chi masters will lead neighborhood gatherings. Be at one session in your city as the wave passes by April 24. Speak with the session's leader and some of the participants, asking about their favorite moves.

Earth Hour will, once again, have (some) people turning out their lights for the World Wildlife Fund's climate change awareness program. This Earth Hour, be at the go-to place in your city when the lights go out. Speak with people in the dark about why they care about sustainability. Take shots of key landmarks around town that have gone dark. When the lights come back on, film them again to get the contrast.

Herbal tea maker Celestial Seasonings has been around since then, and today, they offer free tea samplings and a guided tour of their facility. Visit their Boulder, location and take the tour yourself. Arrange to speak with a representative about their business and how it has changed since its inception in 1969.

StickWorks by Patrick Dougherty is a Museum of Outdoor Art exhibit in Samson Park, in which fantastical structures are made from twigs. Attend the exhibit (preferably with the artist or curator). Ask passers-by whether they appreciate the monuments' artistic merrit.

Same Cafe is a pay-what-you-can organic restaurant, which also accepts an hour's work in exchange for a meal, and which survives off of voluntary donations by its customers. Arrange to interview the owner inside the cafe about this unusual business plan. Speak also with customers about whether they appreciate the model.

More than 1,500 Spanish-speaking Denver residents are meeting multiple times a week at various locations in order to bring the community closer together. Attend a meeting and speak with the people (hopefully in English!).

Shear Genius, a Bravo hair-styling reality show, features Denver native Matthew Morris as one of the contestants. Visit his business, the Matthew Morris Salon and speak with his coworkers about the overnight celebrity, and how he made a business out of his passion.

Alicia Silverstone is taking veganism to a new level with her book The Kind Diet. Find a "kind" dieter to get a glimpse into how restrained a person must be to observe the health fad. Ask the person why he listens to Alicia Silverstone and not a doctor concerning his health.