World's largest collection of Coke-related items not held by the Coca-Cola company.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

An enormous goose sits atop this nest-shaped home.

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

An enormous natural sandstone bridge in Kentucky.

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

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

Three courses accompanied by Christian rock.

This tombstone marks the final resting place of the beloved 1990's character, Ernest P. Worrell.

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

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

Bizarre and inspired combination store selling only two items: tires and bibles.

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

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

How Quincy, Florida became the richest town per capita due to one man's shrewd business acumen and taste for fizzy drinks.

A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.