Though it is far from the site of the attacks on September 11, 2001, this memorial trail commemorates the lives that were lost on that day.

Like Mars, but much closer.

A herd of plastic cows hangs out under this transmission tower in rural Georgia.

A white oak with property rights.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

This Buddhist temple is home to a number of towering statues spread over a peaceful wooded park.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

A nature and outdoor art preserve features the large-scale, abstract works of a renowned Maine folk artist.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

This creative sculpture was a way to "recycle" an old tree.

Built in 1821 using rooms from another estate, the Phillips House is the only historic home on scenic Chestnut Street open to the public.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

The headquarters in Salem doubles as an occult art gallery.

One man’s hobby is another man’s world of metal wonders.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

A quiet memorial marks the spot where the victims of the Salem Witch Trials were executed.

This small museum is an eccentric shrine to boyhood in the 1960s.

Final resting place of the two women killed on a small island off the coast of New Hampshire.

Maine's oldest diner also happens to win acclaim for its elevated comfort food.