Natural history museum celebrating biodiversity with a parade of taxidermy animals.

The largest known Ancient Egyptian obelisk.

In Egypt's expanding metro area, many of the neighbors are dead.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

The fairy tale castle of the "fairy-tale king."

The world's first electric battery-powered submarine.

One of the oldest living oak trees in the Southeast.

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

Gutted airplanes slowly decay in a Florida field.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The largest earthwork effigy in the world.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

This huge clock made of flowers and simple machinery was once used a political weapon.

Moonbows over Kentucky.

One of the few surviving "Wigwam"-themed motels.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.

This replica of the Greek structure is in the heart of Nashville.

Veritable museum of 20th century country music history.

The remains of this visionary community can still be found much as it was a century ago.