We designed an UWB antenna for a handheld communications device with a bandwidth of 225 to 400 MHz, a voltage standing wave ratio (VSWR) of less than 1.5 to 1, and an efficiency of greater than 75 percent.
http://www.engr.sjsu.edu/rkwok/projects/UWB_antenna.pdf
This article is about the ability of an LC resonator to "funnel" incoming electromagnetic waves towards tiny antennas.
http://www.amasci.com/tesla/tesceive.html
http://macintouch.com/airportantenna.html
2.4 GHz antenna diagrams.
http://www.qsl.net/vk3jed/
HF foil antennas, VHF/UHF discones, wire beams, VHF/UHF rotables, tape antennas and telescoping VHF/UHF indoor beams.
http://www.hard-core-dx.com/nordicdx/antenna/hidden/indoor.html
http://www.hard-core-dx.com/nordicdx/antenna/special/baloon.html
Various doule quad, yagi, parabolic dish, slot and horn antenna with nice picture.
http://lea.hamradio.si/~s51kq/ANTENNA.HTM