The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

This Chinese-style quartz sundial was saved in its final hour.

A stealthy Apache hideaway that became the haunting site of a mass grave.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

An enormous, inside-out glass globe built in 1935.

The massive machine creates cracking displays of indoor lightning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

A plaque memorializes the Boston location of one of the largest nightclub fires in history.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

Two thousand artifacts from around the world collected by one woman who loved to travel.

The oldest operating cemetery in Denver is the eternal home of some of the Centennial State's most famous residents.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

Narrowest house in Boston.

The abandoned coal loading dock is a canvas for unsanctioned art.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A century-old network of freight tunnels underneath the city's historic business district.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

A military museum and library dedicated to the citizen soldier.

A chance to follow in the footsteps of the word's most legendary animator.