Two people know they are meant for each other when they exchange mix tapes of volcanoes erupting. Celebrate the nature of romance with today's Groupon: for $29, you get two tickets to a sunset cruise at Oklahoma River Cruises (a $58 value). Cruises set sail Friday and Saturday evenings at 7:30 p.m. and run from late April until October 30 to ensure that your eye cameras will capture the entire lifespan of a sunset from dusk to twilight.

After starting off your evening at Regatta Park Landing, you'll glide along a seven-mile stretch down the Oklahoma River that takes you past the gorgeous sights of the city and alongside riverbanks where enterprising frogs and crickets exhibit their paintings. The 90-minute cruise includes music, light appetizers, soft drinks, and a modest cash bar so that you can relax on the deck in the company of fresh breezes or celebrate inside the climate-controlled cabin. During the cruise, the boat will lazily circle back to swallow its own wake, dropping you off where you started in a perfect ouroboros.

Few things inspire romance like sea voyages, sunsets, and alcohol, which is why so many Frank Sinatra songs are about drunkenly crashing yachts into the sky. Combine all three and treat a special guest star to your own episode of The Love Boat with today's Groupon to Oklahoma River Cruises.