Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Continuing the tradition of the dime museum in style.

One of Europe's oldest libraries.

This Scottish bridge seems to compel dogs to leap to their death.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

A unique waterfall that some believe attracts the fairfolk.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

Remnants of a Victorian garden feature sitting in public woodland.

Famously misunderstood wonder of the ancient world

Eighty million natural history specimens call this gargantuan museum home.

The world's largest collection of witchcraft regalia.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A Community Cornerstone.

This 1920s masterpiece of French Quarter architecture hides a secret tunnel used by Albert Einstein.

An Airy Would-Be Solution to a Housing Shortage.