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

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

Abandoned Coast Artillery fort now serves as graffiti canvas and sightseeing vantage point.

The watery grave of Captain Bligh's famous ship.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

Despite not growing anywhere near New York City, bananas are ripened in a pressurized room in the Bronx using precise banana science.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

This ghostly Alaska village still clings to a steep cliffside despite having been abandoned for over 50 years.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Remains of an abandoned coral city.

An early-19th-century hotel with a past that is steeped in the Civil War.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

Said to be one of Sweden's most haunted places, this vicarage once even attracted a ghost-busting priest.

San Francisco's oldest operating hotel, with a Victorian atmosphere and a "haunted" fourth floor.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

In the middle of a remote desert town is a surprisingly opulent hotel.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

Room 32 of the Alta Cienega Motel has grown into a shrine to the Lizard King.

The hotel room where Janis Joplin tragically died has now become a makeshift shrine to the singer.

Of all the origin stories for weed's secret code, this one likely has the goods.