America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Mysterious rocks that ring musically when struck.

The tallest stationary dunes on Earth also happen to sing.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

Cliffs full of fossils at the portal to England's Jurassic Coast.

Giant naked man on a hillside.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

A genuine Little Shop of Horrors.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

The longest hedge maze in the world.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

Museum about life, death, and cannibalism in the Stone Age.

Recently restored menagerie of Victorian-era beasts.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

A open air theatre built on a cliff by an eccentric British woman.

The twists and turns of this serpentine maze are over 170 years old.

This antique prison is a tourist attraction with a sordid past.

400-year-old garden, restored to beauty.

The largest greenhouse in the world is home to over one million types of plants.

The world's largest collection of witchcraft regalia.