Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

Contrary to popular belief, this memorial does not actually claim to mark the bluesman's grave.

Though Johnson is not actually buried here, an Atlanta-based band sponsored a headstone for him.

A decaying building marks the site associated with Emmett Till's brutal 1955 murder, which helped sparking the civil rights movement.

After decades of research and rumors, Little Zion Church was proven to be his final resting place.

In the mid-20th century, a tamale-slinging juke joint attracted a diverse clientele in the Mississippi Delta.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

Built following the War of 1812, this fort has withstood hurricanes for centuries.

This two-room shotgun shack in Tupelo is the birthplace of a King.

A museum, walk-through diorama, and library nestled under one castle-like roof.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

Every president in history is immortalized in bronze in downtown Rapid City.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

A cemetery housing wild west legends in South Dakota.

A fitting attraction for the corn capital of the world.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The world's largest Holstein cow.