This ordinary-looking rock may have played an important role in a 16th-century Scottish battle.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

An English artist has turned an unassuming ex-council house into a time-lost house of mystery.

Though his role as the inventor of baseball may be up for debate, fans still festoon Doubleday's grave with baseballs.

Recorded as the first person buried in Arlington Cemetery.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

A gift from Scotland to the United States in memory of the 270 lives lost when Pan Am Flight 103 exploded over Lockerbie due to a terrorist bombing.

A bustling bazaar with an elaborate facade in Central Asia’s underrated capital.

These historic buildings once housed the headquarters of one of the most infamous gangs of New York.

A hidden "place of interment for gentlemen."

Love, knishes, and best wishes from this legendary Lower East Side bakery.

One of New Jersey's oldest surviving buildings still bears the mark of our former British overlords.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

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

This naturally-sourced hot spring is now home to a clothing-optional resort.

Hike, ski, or snowshoe to a backcountry yurt that serves up gourmet, four-course dinners.

Home to items never before seen by the public.

This Haudenosaunee restaurant is a delicious tribute to indigenous cuisine.

Striking occult iconography on a medieval German church.

The taxidermy remains of the most popular pony in children's literature.

The famous author's cottage hideaway.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

This bakery sells traditional Māori sourdough.