Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

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

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

European castle ruins in an American state park are actually the product of death and grief.

Lone survivor from Custer's Last Stand forever preserved.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

The Bucyrus-Erie model 1850B electric shovel, or "Big Brutus," the largest existing electric shovel in the world.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

Little Red Lighthouse under the George Washington Bridge.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Small monoliths of several varieties of stone sit alongside a wooded path in the Bronx.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

"A hideous albatross in the Hudson River Valley."