These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A monument marks the beginning of the longest north-south road in the United States.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

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.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

The only diamond mine in the world where you can keep what you find.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.