The former home of Samuel Clemens and family remembers the happiest period of the author's life.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

These etchings reveal the history of a long-gone quarantine site.

Journey inside the bowels of this sperm whale sculpture.

A journey through a curious collection of oddities and wonder.

The tragic tale of the dentist who pioneered the use of anesthesia.

A soon-to-be-forgotten roadside spectacle loaded with local lore.

The ruined remains of a coal mining ghost town are hidden within the woods.

Journey through a collection of over 35,000 Halloween items from all generations.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

For decades, it has disappeared and reappeared as water levels rise and fall.

Locals call this magical moss-covered walkway the "Emerald Path."

The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

A beautiful, creepy 19th-century castle stands incongruous in rural Vermont.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

A cave dug by a man directed by ghosts to find pirate treasure.

At the supposed instruction of Ben Franklin and Socrates, a Spiritualist believer intended to birth a mechanical messiah here.

Visit a sweet shop selling one of the first candies ever made and sold in America.