Resting place of Hollywood's immortals is also site of summer film screenings.

Giant busts of 42 U.S. presidents sit, crumbling in a field in Virginia.

The final resting place of New Orleans' most famous voodoo priestess.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

Try not to get slimed in Tribeca.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

The world’s first penitentiary, meant to be humane, drove men insane.

World's largest collection of serial killer artwork and other macabre exhibits.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

Sitting in a quiet field just west of Cardiff is a well-preserved megalithic burial chamber, topped with a 40-ton capstone

A slice through the original, iconic, rail bridge across the Menai Straights.

Surgeon, scholar, activist, eccentric. This statue remembers a curious figure in Wales’ history.

Beautiful Victorian mansion on Cardiff's outskirts was once the family home of a South Wales coal mining dynasty.

In spite of its medieval appearance and name, this building actually dates back to the Industrial Revolution.

Since the Middle Ages, this stone has been used as a place to bless fishing boats moored at the nearby landing stage.

The castle still holds traces of the abandoned Roman fort it was built atop.

Picturesque ruins once held off mighty armies.

After years of slow decline, a derelict Gothic castle is now being restored to life.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.