An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The oldest stone house in Paris was built by its most famous alchemist.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

A quirky bookstore hidden beneath a sea of whitewashed Greek villas.

Home to a giant switchblade and one of the world's largest collections of pocket knives, this museum is a cut above the rest.

The first public building in Savannah to offer air conditioning was a luxurious cinema that still operates today.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

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

This quirky curiosity shop takes its cues from the world's bazaars.

A tunnel that brings more than a century of history to life from the deepest parts of the Niagara Gorge.

Detroit’s Eastern Market has been transformed into an outdoor museum with colorful murals that address social issues and symbolize the city.

The world’s largest Masonic temple was saved by the White Stripes.

The former desk of Fire Chief Joseph "Bum" Farto is all that remains after his mysterious disappearance following a drug conviction.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

Near the ruins of a Civil War coastal fortress lies the only known African refugee cemetery in the United States.

A small poultry graveyard in the courtyard of a popular Key West watering hole.

A historic landmark and museum filled with curious objects representing the history of Key West.

Memorial to the 137 lives lost on a ship fire, the whole hulk of which washed up on the Asbury Park shore.

Marie told fortunes from her small stand on the Boardwalk for decades, including to a young Bruce Springsteen who would busk outside her booth.

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

A wooden theatre that remains the heart of a charming Victorian-era New Jersey enclave.