Look closely and you’ll notice that the color changes a third of the way up the tower.

This giant shopping mall still holds signs of its automotive past.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The fifth-longest natural arch in the world, and the longest outside China.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

The short-lived history of a new republic and British control in West Florida.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Electrical pylon in the shape of Disney's beloved mouse.

A hillbilly theme park that proved so unpopular the land wouldn't even sell on eBay after it closed.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

This 5-by-6-foot wooden hut is the smallest historic post office in the U.S.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

A circle of giant painted vases in the former pottery capital of the United States.

Enormous lake at the bottom of a unique cave system.

Live long and prosper in Tennessee.

The picturesque southern city served as the zombie-filled town of Woodbury in 'The Walking Dead.'

This ever-changing arrangement of naked dolls even caught the attention of "The Walking Dead" crew.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.