This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

South Carolina's last remaining slavery auction house is now a museum devoted to its own tragic history.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

A dozen U.S. presidents have stayed at the historic resort, which was known as James Buchanan’s “Summer White House” from 1857-1861.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

Yo, Adrian!

The first American department store, and home to the largest operating musical instrument in the world.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

An abandoned stretch of highway, deteriorating next to the operational one.

The world’s first penitentiary, meant to be humane, drove men insane.

At one of the nation’s longest-running professional theaters, the audience used to barter for tickets with produce and livestock.

These unusual rooms on wheels are holdovers from the 1960s.

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

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

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

A convincing little bit of ancient Egypt smack dab in Richmond, Virginia.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

This university transit system is a 1970's vision of the future.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.