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

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

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

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

The highest bridge in America was built for an almost unnervingly small amount of money.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

"We Seceded Where Others Failed."

The unique collection includes bronze cast handprints of some of America's most famous astronauts.

The island residents are known for taking their quirky sense of humor with them to the grave.

A building so large that it has its own weather.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A monument celebrating the idea of reaching inaccessible places.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

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

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

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.

These boots are made for selfies.

Three hundred years of preserved Spanish colonial history in San Antonio.

A 131-year-old wunderkammer of Texas history.