A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Located within a historic park, the beacon is the oldest standing structure in Miami.

Former villa and estate of James Deering developed to preserve native tropical forests.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

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 former home of Samuel Clemens and family remembers the happiest period of the author's life.

Civil War Fort on an island in the Boston Harbor.

Hill-like structures formed by glaciers and sandy spits of land.

Solar powered Spectacle Island features all-green facilities.

From economic backbone of a community to deadly diving hole, these former stone quarries are now a park for rock climbers and graffiti artists.

The homestead of American patriot John Adams.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

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

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

The idyllic colonial home of the artist behind the famous portraits of George Washington and Thomas Jefferson.