During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

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

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

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

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

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

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Friction between grains of sand cause a curious "singing" sound.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

One of the largest, oldest, darkest, quietest motel rooms in the world.

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

A 120-year-old legend concerning an empty circular patch in the North Carolina woods.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

An oddities shop that dabbles in the deathly and beautiful.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Unique antiquarian shop specializing in globes, maps, and prints.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

A Victorian mansion, painstakingly reproduced to appear just as the the Munster's family home did on TV.

148 feet long and in the middle of a verdant forest.

This glamorous old building is said to have inspired the Tower of Terror.