This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

Since 1874, this macabre collection has developed into a museum devoted to Scotland Yard's mementos of dastardly deeds.

Public access to clean drinking water was an instant hit among the masses.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Built in just a little over a week this preserved bunker was created to protect our most attractive POTUS while he was on vacation.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

The land is home to swimming ponies and a legendary 18th-century treasure.

The only recreation of William Shakespeare's indoor playhouse.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

A bunker "with enough U.S. currency to replenish the cash supply east of the Mississippi" in the event of nuclear war now protects nitrate film.

In the early 1800s, surgery was also a show.

World's first "penitentiary," meant to be humane, drove men insane.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Historic home of America's sweetheart sharpshooter, Annie Oakley.

One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

The resting place of a Civil War celebrity's amputated limb.

The "first cat," "first dog," and even a presidential pygmy hippo all get their due in this museum.

Where beautiful signs live on forever.

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

This mill on Lake Erie appears to shrink as a viewer approaches thanks to an optical illusion.

Soaring over the Niagara Whirlpool since 1916.

In this relatively flat state the highest point is an honored place.