A rare specimen of an iconic extinct animal in downtown Sydney.

These springs were once the source of a tourism boom to Sulphur Springs.

One of the oldest show caves in Arkansas.

Memorials are nearly all that remains of this Arkansas prison camp, where thousands of Japanese Americans were forcibly relocated during World War II.

You can dig up your own crystals in the quartz capital of the world.

The warmest cave in the Ozarks features two seemingly bottomless lakes.

The highest waterfall between the Rockies and the Appalachian Mountains.

Learn all about this iconic air rifle without putting an eye out.

This mill has survived a tumultuous past to still produce flour and cornmeal.

Two gushing waterfalls of hot spring water within a block of each other.

People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.

There are no bodies inside these stone coffins. And there never were.

These waterfalls can be twins or triplets, depending on how much it's rained recently.

A restored schoolhouse was once a vital part of the Black mill workers community in Arkansas.

The seventh largest spring in the world.

Where Elvis Presley received his first Army buzz cut.

The strange and snarky traditions of the lumber industry's fraternal order began with five men waiting for a train here in Arkansas.

Life-size figures portray depot attendants, train crew, and passengers frozen in time at the oldest railroad station in Arkansas.

This one-room schoolhouse in rural Arkansas dates to the 1920s, but looks like it could be the 1820s.

The scant remains of an expansive indigenous civilization can be seen at this Arkansas state park.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

The remains of the first public diamond mine in Arkansas.

Everything in this miniature world was handmade from matches, paperclips, wires, tin cans, and other everyday objects.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.