This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

The unusual burial monument of Arizona's first governor.

Huge masonic hall in Philadelphia with lavishly themed rooms.

A layered tribute to the work of mosaicist Isaiah Zagar.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The world's largest piece of copyrighted artwork.

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

The site of Paul Revere's historic two lantern warning.

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

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

This landmark cemetery in Boston was created more than 300 years ago.

Radical Bookstore and Community Space.

The Boston square dedicated to the dark poet who was born nearby.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

A beautiful Victorian-era cemetery, complete with a miniature village.

Supposed Massachusetts Grave of a pre-Columbus Knight Templar.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

According to legend, Bob Dylan sneaks in twice a year to eat dinner with Jack.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

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

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.