A classic carnival ride that was carved to be untouchable.

A miner's handmade folk art fountains are tucked in the woods off a multilane highway. 

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

A wonderland of caves in eastern Iowa.

The oldest house in Galena, Illinois, now is a reminder of when this city was the world's lead mining capital.

The oldest operating hotel in Illinois enjoys a historic (and some say haunted) past.

The tallest bridge in California was constructed for a project that was eventually cancelled.

A dentist's hated concrete colossi are now beloved icons of the community.

More than 5,000 contemporary and "historic" mustards from around the world.

A bizarre house filled with an astounding array of collections.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

An antiquated German apothecary on Chicago's North Side.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

These murals have been brightening a Chicago beach for more than 30 years.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

This free sculpture garden is home to over 90 artworks and installations from artists around the world.

The highest point in Texas is capped by a big silver pyramid.

Steep canyon walls hide a forested oasis in the West Texas desert.

A Prada store in the West Texas desert that is never open for business.

An enormous image of Utah's salt flats made entirely from tape.

Visitors to this library are in for a real-world education in modernist architecture.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.