Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

These towering spires and glowing walls are carefully crafted from hundreds of thousands of icicles.

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

The second-largest giant sequoia in the world.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

One of the oldest living oak trees in the Southeast.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.

European castle ruins in an American state park are actually the product of death and grief.

The most isolated mailbox in America lets desert travelers record their passing.

At least according to the Guinness World Records.

An internationally-recognized dark sky sanctuary lies in northern Nevada, near the Oregon line.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

A Saint Nicholas-themed ghost town in the Mojave desert.

Mysterious rocks that ring musically when struck.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

Florence’s mother built a stairway down to her daughter’s coffin so she could comfort her during storms.

The grounds of this Catholic boarding school are said to have inspired Arthur Conan Doyle and J.R.R. Tolkien.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.