This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

This museum-within-a-museum pays tribute to "The World's Most Experienced Airline."

An ode to Japanese artist Hokusai, with a bit of a comical twist.

A railroad magnate's replica village has become home to a genetic seed bank for rare breeds of livestock.

A 60-room castle constructed by a horse-racing heir.

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

The tennis legend used this racket while breaking the race barrier and becoming the first Black man to win the US Open.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

Randy Senna's Fascination and retro arcade is home to the last Fascination game in New Jersey, and one of seven remaining as of 2021.

Come for the Italian food, stay for the taxidermy and giant statues.

The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

Thousands of Matchbox cars spanning generations call this New Jersey barn home.

This Great Depression-era creation was once known as the strangest house in the world.

Puerto Rico's oldest rum producer started its 140-year-old business with "a little barrel."

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

The ancient tomb acts as a calendar that keeps perfect time.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

Like Mardi Gras, only everyone's a pirate.

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.