The birthplace of a famous steak sauce still keeps its recipe a secret.

A modest grave marks the final resting place of one of the world's most influential religious figures.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

Palestinian-style savory breads and fine patisserie are served with a generous side of hospitality.

This plaque commemorates the call between Alexander Graham Bell and Thomas A. Watson.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

A memorial to a 19th-century composer who was known for driving crowds wild.

One of the last remaining movie theatres in the country that features a rear-projection system.

Order savory Levantine baked goods with innovative twists at this takeout-only spot.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.

This hidden labyrinth offers walkers some brief peace of mind.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

An early-19th-century hotel with a past that is steeped in the Civil War.

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

A 19th-century cemetery device to ensure that the prematurely buried would be "saved by the bell."

The world's oldest soul food restaurant is also one of its best.

An extraordinary library and archive dedicated to the history of the Arctic and Antarctic poles.

A pair of connected skyscrapers form this symbolic gateway.

A tiny rural community in Switzerland was home to one of history's most shocking murders, and led to the banning of Absinthe for nearly a century.

This secret Swiss fortress is disguised as a harmless pink house, complete with fake windows.

Visitors may notice something strange walking through this quaint German town.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

This pink watchtower served as the seat of the Greek government after independence from the Turks.