This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

An underground magnet for ever-changing street art.

Small, privately owned island divided between Michigan and Ohio with abandoned vacation homes and a derelict lighthouse.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

A Beaux-Arts triumph set to become Ford's innovation campus

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

The only surviving prototype for Buckminster Fuller's house of the future.

Turnip-shaped island just off the Michigan shore in Lake Huron.

Nature's biggest mammal swims in landlocked Oklahoma.

Hundreds of trees made from glass bottles make up this forest on Route 66.

An extraordinary collection of 18th century anatomical waxworks.

Breathtaking and huge 430 year old maps of Italy.

Outdoor art exhibition made of classic Tetris pieces.

A pocket of jungle amidst urban expansion in Panama.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

A scenic fort on the harbor protected Philadelphia from an attack that never came.

Bizarre Cavern.

America's first federal monument.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

The United States Capitol's former columns still stand.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.