This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

A unique waterfall that some believe attracts the fairfolk.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

Ruins of a Carnegie family mansion on Cumberland Island.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

The flower-shaped temple in Virginia aims to transcend the boundaries of the world’s religions.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Geothermal waterfalls in Tuscany.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

One of the most scenic falls in Massachusetts has a history of death and grim legend.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

Stunning wetlands ablaze with pink lotus flowers.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

An ethereal glowing blue ocean cave in Croatia.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

An oddities shop that dabbles in the deathly and beautiful.

The largest drain hole in the world.