A monument celebrating the idea of reaching inaccessible places.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

A science teacher's dream.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

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

A shady solar power system that couldn't hold up to the harsh desert conditions.

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”

An idle pastime becomes a record holder in Boys Town, Nebraska.

A six-story-tall golden pyramid, surrounded by a moat.

This softly rounded mansion was built without corners not to avoid evil spirits, but to make them more comfortable.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

When waves crash onto this section of beach, the rocks sing a song.

Half of a waterfall goes into the river while the other half seems to disappear.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

Profile of a sleeping person 4km long in 250m high cliffs.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

At this deceptively beautiful beach, nothing is what it seems.