Mysterious glowing orbs float through the desert night.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

The final resting place of the Seminole Indian chief who fought against government occupation in Florida.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

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

Ghost town with a beer-drinking goat for mayor.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

The hallowed ground of one of the worst atrocities in United States history.

Once named the “world’s oldest gas station” due to its unusual construction material.

Is this 47.7-mile stretch of highway the longest straight road in the United States?

This unusually circular centenarian barn became a Route 66 icon.

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

These giant volcano sponges in Antarctica are thought to be the world's oldest living animal, at 15,000 years old.

Quite possibly the most isolated bus stop on Earth.

Antarctica's bustling metropolis, originally established by Richard E. Byrd.

The place of worship erected not once, but three times in one of the most desolate places on Earth.

This pier made of ice and constructed over the Antarctic winter is used when the resupply cargo ships arrive in summer.

A wooden hut from the Heroic Age of Antarctic Exploration.

On a desolate hill overlooking McMurdo Station, a statue of the Virgin Mary stands inside a curved iron frame.

Fire meets ice at the southernmost volcano on Earth.

Nimrod Polar Expedition base, and home to hundred-year-old frozen whisky.

This South Carolina water tower is an icon of the city of Walterboro, but it also once served as the county jail.

North America's oldest authentic African Village.