This small memorial is almost as well concealed as Smalls himself was on the night he sailed to freedom.

Colorful murals stationed throughout Charlotte bring poetry to everyone.

A self-built castle made by a mysterious man.

Once a year, at exactly 11:11 a.m., this monument comes to life.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

The first permanent memorial to a unique secret weapon of World War II.

A onetime gangsters' hideaway where you can dine on steaks, fine wines, and cigars just like they once did.

Burial mounds of prehistoric Native Americans who lived along the DuPage River.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

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

A stack of stones steeped in Irish folklore, much like the hero they're connected to, hide in plain sight.

The final resting place of the Seminole Indian chief who fought against government occupation in Florida.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

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

From golden eagles to peregrine falcons, this rehabilitation and education center is a haven for birds of prey.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

A 30-foot stack of piano keys memorializes one of the greatest keys players in jazz history.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A tribute to one granddaughter's old apartment which now represents the whims of each visitor.