This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

Now home to a drinking establishment, this building has a macabre history.

This early version of the guillotine was used to execute the man responsible for its construction.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

Protecting the dead from opportunistic body snatchers.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

The final resting place of soldiers' loyal canine companions.

A sweet symbol marks the place where torturous executions were once carried out.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Legends say this red sandstone monolith and the dozens of smaller boulders that surround it were once a coven of witches—before a Scottish wizard turned them all to stone.

One of only two commuter aerial tramways in the United States.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

This hidden bridge is where local children leave gifts and messages for the island's fay folk.

Hot Doug's "Hot Dog" Stand.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

A sprawling outdoor museum filled with larger-than-life works of art.

The first museum in the world devoted to sexual gadgetry.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.