The world-record holder for the longest bridge stretching continuously over water.

The first American woman to win the Nobel Prize in literature came from the foothills of Appalachia.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Home of a 28-foot tall stalagmite known as the War Club.

One of the U.S. Forest Service's only mansions is outfitted with a dinner table for floating food.

A winding, cliffside stretch of road overlooking the Delaware River.

The mansion home of author Edith Wharton.

Resonating tubes make music from highway overpass.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

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 railroad tunnel nicknamed the "Bloody Pit" for taking the lives of hundreds during its construction.

The hero of the women's suffrage movement birth home is now a museum dedicated to her legacy.

This tiny patch of arid sand sits in one of the greenest states in the United States.

This 19th century granite fortification is one of the most well preserved forts in New England.

Built for television, this statue now serves as an unlikely memorial to a fireman who died on 9/11.

This candy-striped tower is the farthest east you can go in the United States.

The eccentric mansion of one of the most popular horror authors of modern times.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

Guatemalan womanizer, venerated during Holy Week.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

Ming Dynasty necropolis raided during the Cultural Revolution.

The most famous location in China was home to whole dynasties worth of imperial rulers.