The jaw of one of humankind's earliest ancestors on display at an overlooked geology museum.

An oddities shop packed with twisted treasures inspired by Oscar Wilde and Edgar Allan Poe.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

A beautiful oddities shop crammed with strange and morbid curiosities.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

The morbid items in this small and hidden museum are not for the weak stomached.

This railroad overpass is said to be home to a murderous goat-man whose very legend has led to very real deaths.

The longest navigable underground river in the United States is home to countless blind and albino animals.

The largest earthwork effigy in the world.

The world's longest known cave system.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

The only building in Louisville (hopefully) that contains two ancient holy skeletons.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

Over 100 million years ago, beach-bound dinosaurs left permanent marks on San Antonio's landscape.

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.

This oak sculpture at the edge of a small woodland is nine feet tall and shrouded in mystery.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

The world's oldest bookshop still in operation.

Two 2,500-year-old Phoenician boats found on the coast of Spain, giving incredible insight into the ancient maritime traders.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

Of all the origin stories for weed's secret code, this one likely has the goods.

Science fiction's grandfather has a fittingly marvelous tomb.

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