The graveyard displays the colonial Mexican and Caribbean architectural fusion that defines this city.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

This statue of one of the engineers who created the London Underground hides a ventilation shaft for the tube lines that run under the street.

A memorial for public executions that dates back to the 14th century.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.

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

An architectural oddity hides in plain sight on this iconic London bridge.

On a stretch of Danish coast known as "Cold Hawaiʻi," this fishing village has become a surfing town.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

This antique farmhouse is one of Læsø's rare seaweed houses.

A walkable map of the world, made from soil and stone by one man.

An old limestone mine transformed into a beautiful and unusual sculpture museum.

This Danish park has celebrated the American independence day since 1912.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

The last fully functional fortress of Germany's World War II Atlantikwall.

A Christian monastery stands on what was once a holy Incan temple.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

An Inca spa, military outpost or maybe… both?

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

The Uros people live on floating reed islands in lake Titicaca.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.