Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

The magic's in the hole!

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

See massive fossils that are over 200 million years old in northeastern Arizona.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The first declared National Monument in the United States.

This historic rec center in the heart of Israel is a bastion of peace and togetherness.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

An old department store turned Nazi prison turned artist commune.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

The world's only museum devoted to the wonders of fluorescence.