This South London cemetery holds the remains of more than 15,000 people.

Banksy gives themself artistic license with this piece of London street art.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Instead of numerals, the unusual clock face spells out a memorial to a lost loved one.

The site where hundreds of Greeks were tortured by the Nazi secret police is now a cosmetics store.

Ancient paintings known as the "Sistine Chapel of Cave Art."

Paris' fabled purveyor of exotic taxidermy and natural history curios.

A haunting collection of the vanished and disappearing natural world.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

An unusual geological feature towers over the remains of a dark episode in United States history.

A popular 19th-century natural landmark is now hidden within a sprawling forest.

Supposed Massachusetts Grave of a pre-Columbus Knight Templar.

Beautiful natural falls where Satan once ruined a pot of beans.

Around 100 sculptures from artists all over the world decorate the hiking trails surrounding this locale.

A New Hampshire grave with a grudge.

The ghost town that was one of New Hampshire's first settlements now exists as a park detailing its history.

A 12,000-year-old bog boasting rare plants and fauna.

Former hunting lodge of a duke who was an avid collector of impressionist works.

Two awe-inspiring globes from the reign of the Sun King hang from the ceiling of France's national library.

On top of Gibbet Hill lie the ruins of a lavish turn-of-the-century estate that never quite came to be.

Legends surround this jagged rock formation in the New Mexico desert.