Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

An Art Nouveau building covered in animal gargoyles and grotesques.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This attraction was abandoned after the Chornobyl disaster.

This little museum in the town where zombies were born celebrates the living dead.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Wisconsin's most celebrated export gets the royal treatment on I-94.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

Statue dedicated to the star of an old television show.

A place to eat for on-the-run agents and espionage enthusiasts.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This Massachusetts home was the first to have a telephone line and its own phone number: 1.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

Yo, Adrian!

The world’s first penitentiary, meant to be humane, drove men insane.

This elaborate towering structure was once famed for its revolutionary height.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.