Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

China's very own Atlantis is an ornate dynastic city resting at the bottom of a lake.

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

Afghanistan's first skatepark, located in war torn Kabul.

A city entirely devoted to illegal gun production.

A fake Transylvanian castle houses a cathedral of antlers.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The only recreation of William Shakespeare's indoor playhouse.

This replica of the Greek structure is in the heart of Nashville.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

North America's oldest authentic African Village.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

One man's extraordinary topiary garden in a small South Carolina town.

This too-low North Carolina railroad trestle is still a notorious big rig executioner.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

The final resting place of New Orleans' most famous voodoo priestess.