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

This impressive working clock made of 16,000 plants changes its flowers twice a year.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Soaring over the Niagara Whirlpool since 1916.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

This old-fashioned carhop restaurant gave the world the waffle cone.

Outsider art meets paleontology at this roadside reptile repository.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

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

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

See massive fossils that are over 200 million years old in northeastern Arizona.

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

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

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

The ruins of a paper mill destroyed during the Civil War still tower over a tributary of the Chattahoochee River.

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

Believed to be the birthplace of the United States Marine Corps.

One of the world's oldest continually operating bookstores.

This statue honors the author's groundbreaking family story.