A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

Recorded as the first person buried in Arlington Cemetery.

The rogue roots are gradually consuming some of the historic marble grave markers.

Born a slave on the Arlington estate, Parks dug the first graves at Arlington National Cemetery, and was buried there, too.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

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

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

This museum explores the grim reality of life in the earliest British colonies in America.

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

Recently celebrating its 25th anniversary, the garden opened in September 1997 to celebrate the men and women who have had the greatest impact on Key West.

A historic landmark and museum filled with curious objects representing the history of Key West.

The museum chronicling a treasure hunter's dream, fulfilled.

The highway's southernmost spot is a beloved local attraction.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

"We Seceded Where Others Failed."

This concrete sculpture features a woman opening her heart to showcase a beautiful fern.

When you can't get to the Pacific, just go to Florida.

Decades of pinball and arcade classics line this South Florida outpost of a popular Northeast arcade.

These constructed wetlands naturally filter millions of gallons of treated wastewater every day.

This railroad and oil tycoon's lavish estate now stands as a time capsule of the Gilded Age.

These craggy limestone outcrops offer a glimpse at a unique piece of Florida geology.

In memory of the 110 victims of ValuJet Flight 592 that crashed in the Everglades.