A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

Whimsical artist house in the New Jersey woods.

The legendary building that needed ghostly approval before being built.

One of the world's largest model railroads is a mind-boggling achievement.

Mysterious rocks that ring musically when struck.

Step inside Lucy, the world's largest "elephant."

Current docking place of the SS United States, the fastest transatlantic ocean liner.

The "original web site," this farm in Northern Vermont encourages orb-weaver spiders to build their daily webs, and then sells the preserved masterpieces.

Slum Settlement Filled With Mountains of Garbage.

The final resting place of the great navigator, or maybe his brother.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The glowing blue Nymphaeum of Emperor Tiberius.

Jesus' footprints and the first catacombs in the world.

340-foot statue built to honour the Heroes of the Soviet Union.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

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

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.