The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

In paradise, feral pigs have claimed an island all to themselves.

A submerged archeological park still holds the wonders of a Roman Sodom.

Surreal riveted sea forts once protected the Kent shores from German attack.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

Walk 2,300 feet above the ground on the "Troll's Tongue."

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A fifth-century temple improbably built into the side of a cliff.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

Famously misunderstood wonder of the ancient world

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

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

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

The beautiful baroque library of the Hapsburg empire.

The remains of diamond fever taken over by the desert.

These azure waters were thought to lead to the Mayan Underworld.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.