This outdoor observatory offers stellar views and a scale model of our solar system.

In one of the world's smallest countries, a royal's personal winery is open to the public.

Before serving as James Bond's Casino Royale, this Victorian-era spa catered to the world's elite.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

This colonial cabin is the oldest building in High Point, built by one of the first settlers in the area.

Inspired by a foil-wrapped potato, (seriously) the Markel Building has been deemed one of the 10 ugliest buildings in the world.

A genuine Tudor manor transported piece by piece from England.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

For nearly a year, General Ulysses S. Grant was based here during the American Civil War.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

Dedicated to this region's early settlements and rich history of salt mining.

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.

Nature's biggest mammal swims in landlocked Oklahoma.

This Arkansas town is known for its gangster history, its healing waters, and now its brews.

Explore 4,000 years of European and American art history in the heart of northwest Louisiana.

Once the site of the Hawaiian monarchy, this building was originally designed as a palace.

Legend says this sacred tree was a gift from goddess Athena.

Hiding in plane sight.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Ruins of an aerial tramway that ran for only eight years.