These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

Part bookstore, part café, and part forest.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Since ancient times these picturesque springs have been providing bathers with healing waters.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This Scottish manor house is a lush relic from the life of a literary great.

The ruins of a 19th century shelter run by the Independent Order of Odd Fellows.

The oldest stone house in Paris was built by its most famous alchemist.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

Pompeii's less famous neighbor is still revealing her secrets.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.