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

The Great Fire of London and the regulation of one-way streets both started in this alley.

The commemorative stone column conceals a secret laboratory.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

These Victorian era devil sculptures were designed to spite a local vicar.

People from around the world visit the shrine of Japan’s legendarily loyal dog.

A touching statue dedicated to Japan's first therapy dog.

Renowned restaurant tucked in a cave once occupied by buccaneers.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The walls and streets of the ancient city are peppered with penises.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

This blowhole is supposedly caused by a trapped monster.

This industrial area was the dumping ground for massive amounts of trash, some of which washes up as tiny bits of sea glass.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

An ode to one of the first concerts broadcast via satellite.

A unique set of caves that spits waves back out into the ocean.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

A seven-ton black granite monument dedicated to the memory of those who died and those who lived through the 1977 crash of the popular Southern rock band.