This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

A slanted tomb honors the faithful, furry companion of the Georgia Tech student body.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

The ill-fated plan to reroute the Mississippi so that Union ships could bypass Confederate fortifications on the river bend.

This iron and wood Civil War city-ship was the first vessel to be sunk by an electrically detonated torpedo.

A museum in Mississippi celebrates the history of Coca-Cola and the man who brought it to the masses.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A modernist landscape of water and sci-fi concrete.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

On the side of a remote mountain, a stone face bearing an inscription of mysterious origin.

An archaeological museum at the Aztec pyramid displays signs of the New Fire ritual performed every 52 years.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

A bizarre roadside attraction and the first instance of miniature golf in the world.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.