This Maine bridge may be the last wire-supported bridge of its type in the world.

This tiny patch of arid sand sits in one of the greenest states in the United States.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

Once used as a deterrent to drinking alcohol.

The second oldest and longest of Delaware's three covered bridges.

The smallest and oldest covered bridge in Delaware.

The longest covered bridge in Delaware.

This museum holds a fully-functional replica of the "Turtle," the first American submarine ever built.

A wunderkammer hidden on the top floor of the Hartford statehouse.

One of the few remaining covered bridges in Lancaster County.

This covered bridge was used by both Union and Confederate troops during the Battle of Gettysburg in 1863.

A quirky collection of outsider art made from automobile parts.

A local prank turned town icon.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

An office built to look like a giant basket.

The childhood home of a Hollywood legend.

The childhood home of the Wright Brothers in Dayton.

Circleville is seriously smitten with this giant gourd.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

A miniature world of concrete and stone in Springfield, Ohio.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Wisconsin's most celebrated export gets the royal treatment on I-94.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.