Along a rail-biking route, giant insects house a two-story restaurant.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

One of the few remaining monuments dedicated to South Boston's Irish heritage.

These World War I shooting range tunnels are now haunted halls of underground graffiti accessed through the roots of a tree.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.

This enormous abandoned factory is now a makeshift graffiti gallery.

An abandoned Victorian-era mill in the middle of modern Manchester.

Series of storm drains connected to a dark urban legend.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

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

A charming museum of natural history featuring dioramas and exhibits made entirely by college students.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.

The world's oldest and largest museum of mass transit vehicles.

Beautiful steampunk ghosts of early Massachusetts.

Stumps of an Ice Age forest, visible only at low tide.

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

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

"Mock all and sundry things, but leave the saints alone."

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

One of the largest public collection of historic armored and military vehicles in North America.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

A wunderkammer hidden on the top floor of the Hartford statehouse.

A perfect replica of the beloved show's first set.