The highest point in Florida is still the lowest high point in the country.

The highest point in South Carolina was once owned by an energy company that neglected it but now the state is taking it back.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

The highest point in Virginia can only be reached by passing through ponies and flowers.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

This candy-striped tower is the farthest east you can go in the United States.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

You can climb to the summit of Black Mountain, as long as you sign the waiver.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

The highest point in Mississippi is a hilltop that was once used to bombard a nearby town with artillery.

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

The highest point in Louisiana, Driskill Mountain at 535 feet above sea level.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Mysterious glowing orbs float through the desert night.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

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

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.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Only known mainland rookery of the threatened Stellar sea lion.

Home to the deepest rift anywhere on Earth.