Four hundred granite steps were built into this massive rock by the National Park Service.

Quite simply the largest tree in the world (by volume).

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

The colossal cartoon man stands outside a Nevada museum.

The notorious Wild West outlaw was raised in this unassuming abode.

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

This phone booth-sized municipal building has been a piece of police property for more than half a century.

The bottle house obsession struck a Florida man in his retirement, and now he can't stop building.

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

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

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

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

This racially troublesome eatery thought a new coat of paint could erase its offensive connotations.

A four-hour holy-rolling, Hallelujah-shouting, Southern gospel service, rendered as a country market where "All Is Welcome, Jews, and Gentiles."

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

A unique book shop with a collection of rare tomes and a nostalgia museum.

Once one of the largest producers of pig iron in the world.

Shaped like a big top tent, this memorial honors the victims of a terrible train wreck.

A stockpile of childhood lunch pails turned collectibles.

Coca Cola may be "the real thing" but its inventor, buried at this Georgia gravesite, called it a "valuable brain tonic."

Colloquially known as "the lynching memorial," this is the United States' first memorial to the victims of racial terror at home.

Designed by Maya Lin, the memorial honors 41 individuals who died fighting for equal rights between 1954 and 1968.

The country music legend's grave is surrounded by Astroturf because fans kept plucking out the grass.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.