The remains of Abó, Gran Quivera, and Qurai are monuments to the long, complicated history of the Indigenous people of the Southwest.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

The final resting place for a wealthy Roman family, this tomb might be the best preserved of its kind outside Italy.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

The resting place for anonymous victims of the Danube's dark waters.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

A neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

Legends surround an ancient tree trunk riddled with nails for good luck.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

A once-fairy tale mansion now stands in a state of disrepair.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

A 100-plus-year-old mill transformed into a hotel and restaurant.

It's good luck to be mocked by this monkey.

This risky summer festival honors a historic volcanic eruption.

Setting this massive marionette aflame rids Santa Fe of doom and gloom for another year.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

This opulent Pueblo Deco movie palace melds Art Deco and Native American motifs.

The many—66 to be exact—faces of the German forest.