The highest point in Mississippi is a hilltop that was once used to bombard a nearby town with artillery.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

The highest point in Connecticut was incorrectly memorialized before surveyors discovered the actual spot.

The highest point in Maryland is only accessible by hiking through another state.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The romance of early commercial flight still fills this Art Deco destination.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

At 207 feet, one of the world's longest continuous escalators.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

The highest point in South Carolina was once owned by an energy company that neglected it but now the state is taking it back.

Fascinating military history, awe-inspiring wildlife encounters, and endless outdoor adventures draw people to this sprawling park.

This glass-stain Mary attracted thousands of pilgrims until her head was shattered by a vandal with a slingshot.

Electrical pylon in the shape of Disney's beloved mouse.

The story of a Floridian city as told through an obscure sport for retirees.

This grand Spanish-Cuban restaurant has been serving customers for more than a century.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

The snowbirds here are circus sideshow performers.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

A tribute to Ponce de Leon's supposed quest for eternal youth.

A luxuriant botanical garden below sea level.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.