A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

A subterranean world of tunnels links several buildings of this rare 19th-century asylum.

Largest magic museum in the United States with more than half a million pieces of memorabilia.

A lavender labyrinth so large it’s visible on Google Earth.

This freshwater spring fills with 10,000 gallons of water per minute.

300 years of pharmaceutical history on display.

The curiosities and wonders of pharmacy in a delightful historic building.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

A Hungarian pharmacy museum with a box full of mummy powder.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

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

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

A semi-abandoned village destroyed by U.S. bombings during World War II dominates the valley of Turano.

This three-chambered cave is the only protected natural bat hibernaculum in Quebec.

An abandoned town centered around a paper mill powered by a large waterfall.

After he picked up a brush at the age of 47 this simple barber turned his entire home into a canvas.

This Quebec estate is home to the elaborate gardens of a self-taught horticulturist.

Giant, friendly pelicans in Central London, the most unlikely of places.

The largest collection of Frazetta originals in the world.

This small sculpture honors a shuttered bookshop that was the site of a fiery act of protest.