This erect, phallic geological spire wasn't always named so domestically.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

As state highpoints go, this spot is one of the lowest, but for years it was also the hardest to climb.

The highest point in Wisconsin is capped by two towers that are not as mythic as Tolkien's but provide much better views.

The center of the only hemisphere that awards visitors with a commemorative coin.

This ancient settlement contains some of the largest earthen mounds in North America.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

The world-record holder for the longest bridge stretching continuously over water.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

The LSU mascot lived on the college campus in one of the most impressive tiger habitats in the country.

This racially troublesome eatery thought a new coat of paint could erase its offensive connotations.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

A museum in Mississippi celebrates the history of Coca-Cola and the man who brought it to the masses.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

World's smallest skyscraper, the product of a remarkable con.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

This unusually circular centenarian barn became a Route 66 icon.

Nature's biggest mammal swims in landlocked Oklahoma.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.