This miniature feudal castle was built on a whim to honor a US Navy pioneer.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

Books you don’t need in a place you can’t find.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

Over 50 whirling pools left behind from the glacial age.

The Boston square dedicated to the dark poet who was born nearby.

This small-town library was the first in the world to be entirely supported by taxation.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

World's tallest monolithic statue has served as a pilgrimage site since its completion in 993 CE.

Time has stopped at the house where Gandhi died.

Sacred Indian temple that’s all monkey business.

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

The celebrated eyesore created by starry-eyed sweethearts.

This bridge was constructed from the rubble of the infamous Bastille.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

France's most famous cemetery, with some of its most curious tombs.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This bridge is haunted by the ghost of a distraught mother.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.