A museum filled with tiny, adorable versions of the mighty Royal Danish Navy.

Wonderfully preserved Victorian factory, complete with a preserved steam powered engine house.

The stately remains of Llywelyn the Great's mighty fortress.

The Victoria-era quarantine station for Sydney.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Every autumn, this hillside is ablaze with red summer cypress.

Largest cave system in Africa.

A museum and gardens with unusual plants and a history of progressive programming for the blind.

The angel of death appears to weep black tears at this grave marker.

The preserved house of a jazz legend still echoes with his music.

This lighthouse was witness to the end of WWII hostilities and now collects creepy cairns.

An incarceration museum on the spot of possibly the oldest prison in England.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A number of gruesome unsolved murders have turned this simple home into a morbid tourist trap.

An abandoned aircraft sits submerged in a lake in the Alaska wilderness.

A wartime promise becomes a shrine to Our Lady of Lourdes.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

A long abandoned hospital building on the outskirts of NYC.

An enormous dragon scales the walls of this 17-story temple.

A theme park attraction designed to turn your children into LARPers.

An abandoned meat mecca now serves as an excellent locale for urban exploration.