An ancient capital city that dates back 3,000 years old and harbors many surprises.

Naturally formed rock city in Poland.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

Artifacts fill the old headquarters of the hugely influential political movement to ban alcohol in the United States.

An alternate history park where the Union Army loses the war... to dinosaurs.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

The birthplace of Appalachia's only first lady, who some have dubbed the United States' "first female president."

A mailbox that saved a nature reserve.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

In a dry, neglected cemetery lies the unassuming grave of a soldier vilified in life but celebrated in death.

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

Train debris from the deadliest avalanche in United States history can still be found in the ravine where so many perished.

Essence of hound's tongue and tincture of bloodroot are just the tip of the herbalist iceberg at this beautiful, impressively-stocked apothecary.

Inside this curiosity shop, visitors can peruse the clown collection or purchase a molar from the mouth of Bigfoot.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

A short hike into the mountainside forest reveals a decaying 1890s town.

Home of a 28-foot tall stalagmite known as the War Club.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

Railroad came. People came. Railroad left. Town died.

One of the only memorials dedicated to journalists who died in combat.

A monument marks the location of the first successful steamboat demonstration.

Time travel with sweets across history at this research-based candy store.

The Grand Ole Opry's big voice came from a small home in rural Virginia where she was eventually buried.