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

This magnificent herd of stampeding elephants has been frozen in time for over a century.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

This poignant display is now a memorial to these regionally extinct species.

This morbid scene depicts the Darwinian drama of death on the African savannah.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

A Natural History and Science Emporium.

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

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

A toxic ghost town sitting atop a massive coal fire.

A walk through the historic city center, under the streets of Seattle.

Nature's biggest mammal swims in landlocked Oklahoma.

France's most famous cemetery, with some of its most curious tombs.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

World's first "penitentiary," meant to be humane, drove men insane.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

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

Rummage through this sunken ship, but leave your scuba gear at home.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.