The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

Most historians agree that the so-called "Gentleman Pirate" wasn't much of either of those things.

This small memorial is almost as well concealed as Smalls himself was on the night he sailed to freedom.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

A remarkable feat of Victorian engineering across the Firth of Forth.

Astounding collection of coin-operated games and automata.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

Wander around the extensive remains of this 12th-century medieval church.

The location of the Bridge of Death and the Gorge of Eternal Peril in "Monty Python and the Holy Grail."

A solemn memorial in a majestic setting that honors a 1692 tragedy.

The oldest inn in England served brew to the crusaders.

The remains of a Dominican friary, once one of the largest of its kind in the United Kingdom.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

This sculpture commemorates a naturalist and an illustrator whose work was a forerunner to modern field guides.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The chiseled jaw of this forgotten American hero still stands tall in a small Indiana town.

Take a self-guided tour through one of Colorado's most elevated mining districts.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

A Mars simulation in the southern Utah desert.

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

The fifth-longest natural arch in the world, and the longest outside China.