This sprawling 18th-century cemetery features unique and beautiful gravestones, including one shaped like a tree.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

Its unique collection details the history of the state's svelte railroads.

Explore the dark underground corridors of this graffiti-covered former military fortification.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

This relic of 19th-century infrastructure is one of the few remaining coal gas storage tanks in the U.S.

The celebrated eyesore created by starry-eyed sweethearts.

This bridge was constructed from the rubble of the infamous Bastille.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

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

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

The enchanting archway is the only surviving portal into Dublin’s lost medieval wall.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

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

The second oldest continuously operating bar in Louisiana.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

An unusual round church in London with a Templar past.

The largest of London's subterranean rivers and once a mad, bad center of London life.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.