This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

Themed gardens, a conservatory, and a rose named for Milton Hershey, all overlooking Hersheypark.

This mobile theater show highlights the story of Hershey through fun facts, unique stories, and plenty of candy samples.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones’ locker.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

Sip creative cocktails in the former vault of the Riggs Bank.

A former major munitions plant that has been converted into a sprawling art space.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Christ's blood allegedly preserved in a Belgian town.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The history of radiation is on safe display at the foot of a radiation science laboratory.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

A collection of artifacts from Maryland's maritime past.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

The oldest farmer's market in America is so ancient it was approved by the King of England.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The second oldest continuously operating bar in Louisiana.

The only rotating bar in New Orleans has been slowly spinning since 1949.