One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Hands-on activities, childbirth artifacts, and a library are all part of this tiny, one-room museum that examines motherhood and women’s roles throughout history.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

The little-known final resting place of one of America's greatest writers.

An experimental, automotive replica of Stonehenge.

Inside this old mill is a collection of images that will always remain frozen in time.

Scary metal statues adorn some of the signature buildings of Burlington, VT.

Even Henry David Thoreau found this glacial pothole irresistible.

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

Supremely flaky treats await at Amadou Ly’s boulangerie and patisserie.

This massive redwood tree has stood in Northern California for nearly 2,000 years.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

When construction began on this hotel, developers were surprised to find the ruins of an ancient civilization.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

This sculpture presents commentary on a life in pursuit of profits.

Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

When ecosystems collide in the arid Southwest.

Taos Pueblo recipes, foraged ingredients, and outdoor ovens define the menu at this eatery.

A multi-storied adobe complex has been inhabited for more than a thousand years.