This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Tiny castle in the middle of the Rhine made you pay to pass.

Legendary site where an evil bishop was devoured by rodents.

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

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

Christ's blood preserved in a Belgian town.

This seemingly cursed monument is dedicated to one of Canada's great war heroes.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

American revolutionaries and British soldiers alike are buried here in the fourth-ever cemetery in Boston.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

Washington's iconic carousel has a nice piece of Civil Rights history.