This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

A medieval castle in the middle of rural Texas.

From scholastic to sepulchral - now under reconstruction.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

Peek through the gates at this oasis from the city, full of Old English charm.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

A historic covered bridge, only one of two remaining in North Carolina.

This expansive bridge in the Canadian wilderness was originally just built for friends.

One of the world's largest automobile junkyards is a unique landscape of metal and moss.

Abandoned silver mine strewn with wrecked and twisted structures.

America's only nuclear missile silo open to the public.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Free public park and gardens filled with peacocks and peahens.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

A hidden beach at the end of a tunnel of mangrove trees.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A storybook European village in Berkeley.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

"The House That Love Built" is shying away from "The House That Ghosts Love."

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

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.