Information on air raid sirens and other siren and warning devices. Features photos, sounds, projects, restoration, forum, and links.

A start point for sand collectors.

Business card collecting facts, fun, and information. Links to business card collectors and traders around the world.

A private collection of classic and modern car brochures from around the world, includes for sale list, links, and images of the collection.

Thumbnailed photograph galleries of uniforms worn by airline staff.

British collector of electronic devices, calculators, radios, and watches.

Source for information on space history, space artifacts, and space memorabilia. Learn where astronauts will appear, browse collecting guides, and read original space history-related daily reports.

A picture collection about manhole covers. Accepts submissions. [English and French].

Encouraging people to look down and check out the metal work at foot-level. Pictures and frequently asked questions. Accepts submitted photographs.

A colorful personal collection of the bandaids. Included are images, links and history.

Photos, links and other information on all sorts of fish posters.

Around 100 frogs, from all around the world, with images.

Informational site for collectors of 20th century terrestrial globes. Globe manufacturers, how to date a globe, globe bibliography, globe links and a photo gallery of typical 20th century globes.

A collectors guide to vintage handcuffs, featuring a gallery of handcuffs and related restraints as well as feature articles on handcuff collecting, Houdini and his fellow escape artists of the past.

Provides basic information on lava lamps as well as how to make one.