This urban oasis is a marvelous meld of music and landscape architecture.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

Lost subway station nestled beneath Toronto's busy commuter line.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

Send a postcard while vacationing with Satan.

The capital of the Cayman Islands is a center of offshore banking, but gets battered by blistering hurricanes.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

An abandoned town is hidden in Great Smoky Mountains National Park.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

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

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

Dedicated to the history of the health sciences.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

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

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

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

This elaborate towering structure was once famed for its revolutionary height.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

The abandoned coal loading dock is a canvas for unsanctioned art.

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