One of the world's oldest continuously operating meteorological stations sits on a hill in Stockholm.

This elaborate towering structure was once famed for its revolutionary height.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

Millions of numbers carved in glass represent the tattoos forced upon victims.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Narrowest house in Boston.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

A bit of retro transportation flair preserved in the world's largest department store.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

A collection of full-size movie monsters opened to the public.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

A very classy 1920s-era bar right in Grand Central Station.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Sniff the Titan Arum's rotting flesh.

The private clubhouse for the members of the Academy of Magical Arts.

World-famous, Pink's still manages to keep its prized cult fetish status.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.