Rushing water plunges over a 100-foot drop created by an ancient lava flow at this majestic waterfall.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

No Gordon Lightfoot song, only a barebones monument to greed.

The deadly but beautiful ornamental oleander was planted all over the island of Galveston after the hurricane of 1900.

Steep canyon walls hide a forested oasis in the West Texas desert.

This crumbling stump is all that remains of what was once thought to be the oldest living organism.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

A unique World War II memorial commemorates where the American B-17 bomber Man-O-War crashed.

The wreckage of a deadly bomber plane crash can still be found near an Arizona peak.

The short-lived history of a new republic and British control in West Florida.

Every year, a Louisiana town remembers a brief Civil War truce inspired by Masonic brotherhood.

Located in a remote part of a Louisiana wildlife refuge, this tree has been standing for more than 1,200 years.

One of the last remaining venues on the Old Chitlin’ Circuit is a kaleidoscopic music hall at the end of a dirt road.

A museum within a former train depot tells the true story of a distinctly French-Louisiana musical genre.

The childhood home of the legendary blues guitarist and singer.

The world's biggest floating museum in Gothenburg, Sweden.

The rock carving that became an internet meme.

This gateway to subterranean Hanover plays jazz, pop and rock to surprised passersby.

Where a troll might repair your shoes in exchange for a bowl of porridge.

Money may not grow on trees, but it can be dispensed by one.

The first mountain submarine had its initial and last voyage in 1898.