The site of the climactic scene from the classic horror film is now a historic landmark.

A secret meeting in this small cottage changed the course of British history.

Perhaps the most scandalous statue of America's first president.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

The fighters and conspirators that won independence for Paraguay held secret meetings at this historic house.

This fairytale-inspired cottage was created by a university literature professor.

What started as a way to address damp basement walls turned into a house filled with intricate hand-carved designs.

This Art Deco theater is the last remaining opera house in the “little Broadway of the North.”

Abraham Lincoln's vice president took his last breath here on July 4, 1891.

The eccentric mansion of one of the most popular horror authors of modern times.

Colorful lights and mirror-like brine pools create trippy illusions within the historic mine.

This Gothic castle-like portal is a testament to the amazing craftsmanship of the navvies who built the railway tunnel.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

A fascinating insight into daily life in the Eastern Bloc.

The tragic heiress Barbara Woolworth Hutton built her seventh husband this Japanese-inspired palace in Mexico.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

The writing studio of an American adventure author, built in the style of a medieval castle.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.