A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

A huge musical instrument played by the ocean.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

An emerald-green grotto just a short trip from Austin.

On Japan's Tashirojima Island, cats are king.

This railroad overpass is said to be home to a murderous goat-man whose very legend has led to very real deaths.

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

The magic's in the hole!

This charmingly homemade amusement park has been growing for 40 years.

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

This massive mushroom has spent centuries eating its way across a huge swath of Oregon.

Hollowed out cedar log tubs set in an ancient towering forest.

The highest point in Virginia can only be reached by passing through ponies and flowers.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

If astronomy had a ghost, it would look like this observatory.

Home of an evil witch famous within southern folklore.

A miniature world of concrete and stone in Springfield, Ohio.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

This structure among the trees was the result of divine inspiration.

Origin of the blue-skinned Fugates of eastern Kentucky.