Visit a replica of the estate where Aaron Burr allegedly plotted a treasonous scheme against the United States.

A historic coal mine that doubles as a museum and tourist attraction.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The bears of Bern have been a city highlight for over 500 years.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

The antique hotel still has a jail in the basement, though the cockfighting ring is long gone.

This one-room cabin where the young colonel slept during the French and Indian War.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

Destructive children, start your engines.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Experience a charming 1930s version of "infotainment."

This massive airship factory is so large that it has its own indoor weather.

In northern Ohio, the glorious past of America's trains is on full display.

The only presidential monument to display a late POTUS's actual casket.

The largest ancient burial mound in Ohio.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

The footprint of a frustrated devil in Munich's Cathedral.

It houses the remains of a 17th-century version of the Titanic.

This irregularly shaped sea fortress has defended not one but three different sovereign states.