This small cemetery is all that remains of Atlanta's first Black communities.

A monument celebrating the idea of reaching inaccessible places.

This subterranean necropolis holds three floors of antler-dug grave caves.

The world's most active stratovolcano is almost always erupting.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

Cold storage for agricultural biodiversity.

This abandoned mining village was predicted to resist decay longer than any other modern human settlement.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Underground hospital complex constructed by slave laborers during the German occupation of the Channel Islands.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

A colorful square marks the heart of the city's LGBTQ community.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

Europe's oldest still-operational tea farm also boasts a spectacular view.

3,000 market stands in five former Zeppelin hangars.

This micro-nation may be some sort of prank, but its constitution sure seems official.