A historic presidential getaway on the continental United States' southernmost island.

The highway's southernmost spot is a beloved local attraction.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

The only place for a truly presidential dram.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Turning night into day in Victorian-era Austin to thwart a serial killer.

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

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The air force base preserves its scars from the Japanese attack on Pearl Harbor.

Watch the newest land on the planet form before your eyes.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Iconic rock formations that allow for exploration during high or low tide.

This expansive bridge in the Canadian wilderness was originally just built for friends.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

This natural wonder is disappearing at an alarming rate.

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

The Andean town where every single building is decorated with a brightly colored frieze.