Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Rippling sand dunes frozen in the Arizona rock.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

This lava formation earned its whimsical name from the log-like formation of it stones.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

Ireland's only German military cemetery holds the remains of a spy who was moved there under the cover of darkness.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

The Virginia home of one of the signers of the Declaration of Independence is being preserved with a unique glass facade.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

This remarkably well-preserved Incan city managed to survive the conquistadores.

Something's watching you.

A giant concrete orb in far north Iceland marks the ever-shifting boundary.

You feel like you're in a forest, but you're actually walking amidst the branches and trunks of a single giant tree.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

Bacteria and algae give the salty water its bubblegum hue.

This romantic, decaying 13th-century ruin on the edge of Sherwood Forest is reputedly one of England's most haunted places.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

Submerged ruins of a Neolithic coastal settlement, where houses, wells, graves and skeletons have been unearthed.