The remnants of an early American attempt at missile defense.

Hidden in the garden of physicist Erwin Schrödinger's house is a life-size figure of a cat from his famous thought experiment.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

This massive, 30-foot-tall statue of the famed Scottish knight overlooks a grassy knoll.

This ruined fort and statue are a testament to the last king of Kaua‘i’s savvy diplomacy skills, which briefly brought Russians to Hawai‘i.

The fifth-longest natural arch in the world, and the longest outside China.

This whimsical stacked cabin looks like something out of a children's book.

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

A black cottonwood gets a second life as a home for books.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

An incredibly well-preserved piece of ninth-century Viking poop.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

A total of 14 men held the title of "president" before George Washington—their historical legacies are enshrined in the lobby of a hotel.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

Northern Ireland's Brobdingnagian stepping stones.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Described by William Wordsworth as a "World of Wonder."

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

The middle finger of modernity.