Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

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

Stay in a room with a view... of the bottom of the ocean.

A small but immensely extravagant palace built by the "Night King."

In this century-old literary safehouse, print is alive and well.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

An unassuming secret door once led to a legendary watering hole.

The largest self-built castle in the U.S., six decades in the making.

The hallucinogenic center of the ancient world.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

A Bibliophile's Dream.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A legendary speakeasy bookstore returns from the brink.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.