Tropical foliage is contrasted against tribal geometrics.
More visually interesting than solids, geometrics can work well with a tailored room style or can create a backdrop for a more eclectic look.
For a true cottage look, try the Caroline bedding ensemble which has a seamless grouping of plaid, mini floral, pinstripes, and geometrics.
Look for colorful geometrics that really add a pop to any uniform—and that possibly even complement school colors.
West Elm offers a high quality selection of classic styles, geometrics and hippy chic, appropriate for older teens.
On the print scene, scenics, retro Hawaiian prints and geometrics will be seen throughout the marketplace.
Design Options: This resource features borders, flourishes, geometrics, people, and animals.
Patterns, such as florals or geometrics are another good option.
I do remember some theories concerning relativity suggesting some sort of motion in space might allow time travel if space-time geometrics are possible.