The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

This abandoned Victorian-style house was built in 1884.

A remote horde of architectural treasures fit for Indiana Jones.

An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

An intricately designed junk art house with four extravagant junk art cars hidden in the suburbs.

A priceless collection of the Nation's cryptologic history.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

Bizarre Cavern.

Fiji mermaids, mummified remains, and recreated cryptids are among the morbid oddities at this Maryland museum.

An astounding collection of medical specimens, including bits of President Lincoln.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

The trials and tribulations of marking Poe's grave.

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

Eighteen miniature death-scene dioramas.

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

An exotic reptile facility showcasing some of the rarest, most venomous snakes in the world.

This handcrafted, old western-style town is filled with deserted cars, retired movie props, and other forms of Americana.

The Cadillac Ranch for monster truck aficionados.

Conjoined twins Daisy and Violet Hilton were stars of the vaudeville circuit.

Perhaps the oldest vine in North America, this sprawling plant helps make a sweet wine.

Burial site more than 300 years old.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.