The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

An eclectic assortment of medieval architecture in a small Iowa town.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Crawl through the hole in the middle of this stone to break off a bad relationship or initiate a good one.

Every winter, the wind carves blocks of frozen water into beautiful abstract shapes inside this unusually curved tunnel.

A vintage video game wonderland in downtown Reykjavik.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

Bacteria and algae give the salty water its bubblegum hue.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

Something's watching you.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

A mysterious light of unknown origin on the backroads of Missouri.

Mysterious glowing orbs float through the desert night.

The site of murders and Satanic cult gatherings.

A mysterious light in the wood, rumoured to be the the ghost of a railroad brakeman.

An old dining hall now serves up ghost stories for lusty locals.

A cave dug by a man directed by ghosts to find pirate treasure.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

A bizarre house filled with an astounding array of collections.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

The writing studio of an American adventure author, built in the style of a medieval castle.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.