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

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

A bit of retro transportation flair preserved in the world's largest department store.

A collection of huge Pre-Colombian structures in Alabama.

Home to items never before seen by the public.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

A rusted metal giant pays tribute to Birmingham’s industrial past.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The summit Roosevelt conquered before he descended to become The Chief.

This high-perched pachyderm marks the memory of not one, but two elephants gunned down in small New England towns.

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

Hidden beneath a washing machine in a fake kibbutz, this secret bullet factory has been preserved as a museum.

The home of the Dead Sea Scrolls is an abstract modernist dream.

These numerous Israeli caves were dug out over hundreds years for reasons ranging from hideouts to burial sites.

Japanese national treasure originally built in 593 CE.

This enormous "shamoji" means more to the people of Miyajima than just a way getting rice onto a plate.

Peace Park and the Atomic Bomb Dome.

Medicinal spa created with the discharge from a geothermal energy plant.

Most-visited and most-photographed slot canyon in the American Southwest.

A magical place that lets you play in and explore the world of Studio Ghibli.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.