A self-built castle made by a mysterious man.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Home with Gothic windows featured in a famous painting.

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

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

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.

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

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

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

This cave holds a surprisingly colorful variety of geological oddities.

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

This campus chapel is Robert E. Lee's final resting place and a topic of debate about the legacy of the Civil War.

One street divides a single town that stands in two U.S. states.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Smack in the midst of coal country, this collection provides a peoples' history of Appalachian miners' heritage.

First a root beer ad, then a golf course clubhouse, and finally a massive teapot.

This university transit system is a 1970s vision of the future.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.