The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

An abandoned asylum incorporated into a college campus.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

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

People escaping slavery may have hidden inside a corpse vault.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

A failed piece of Orientalism has become the proud symbol of a community.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

Vikings and Evangelicals have both had a hand in this replica medieval church.

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

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

Massive crater in central Oregon.

When this test site was abandoned, they didn't even bother to take the rocket with them.