Mysterious stone tower featured in many alternative histories of the New World.

Dedicated to the explorer who opened Japan to the West.

A single light illuminates one man's overshadowed contributions to street lamp history.

The home of the artist credited with introducing the tomato to the American diet.

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

Designed to not only to represent the history of the local community but also, the future.

This stimulating sex toy museum is sure to arouse the interest of its visitors.

Mural fragments and various sculptures honor the longtime artist.

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

This home is steeped in history from, George Washington to George Corwin, High Sheriff during the Salem Witch Trials.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The bears of Bern have been a city highlight for over 500 years.

A historic observatory precariously perched at the "Top of Europe."

A Swiss amusement park entirely dedicated to the theory of ancient astronauts.

Caves famous for the dragon-slaying saint who lived there.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

The second-highest train station in Europe.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.