A wondrously macabre treasury of obscure antiques and unusual oddities.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

Meant for a railway that was never built because of the Great Chicago Fire, these piers still stand nearly 150 years after they were installed.

This unassuming city park is home to three different types of Native American mounds.

A small cemetery chapel designed by Frank Lloyd Wright and built in 1906.

Walk along the intricate path of this stone labyrinth and gardens.

Former meatpacking facility turned vertical farm and sustainable business complex.

The world's only known button museum.

These abandoned grain silos and tunnels are an urban exploration dream.

A hollow cement depiction of time's inexorable effect on the human body.

A monument to the art of slicing people open.

This historic hotel invented the chocolate brownie.

The subtle science of a master molecular gastronomist.

This shop for all your super spy needs hides an educational secret.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

The bears may be gone, but their old cages can still be found.

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

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

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

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

A self-built castle made by a mysterious man.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

Burial mounds of prehistoric Native Americans who lived along the DuPage River.