This massive redwood tree has a hole in the base big enough to drive through.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

One of the figures in this Celtic sculpture continues to puzzle archaeologists.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The monster at the center of the Darwin Center Spirit Collection.

The television series' iconic giant foot was borrowed from this classical painting.

Repository for more than 22 million pickled specimens.

Catacombs turned marketplace.

London's smallest police station is barely the size of a phone booth.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

Highly spherical boulders on the shores of New Zealand.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.