Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

New York's oldest magic store.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

Washington's iconic carousel has a nice piece of Civil Rights history.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

Home to items never before seen by the public.

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

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A Roman-inspired temple once controlled half of San Francisco's waters.

Before becoming a public park, this spot was a shell midden, a fort, and an amusement park.

Shop for books in the New Orleans house where William Faulkner once lived.

This Birdsill Holly fire hydrant is the remnant of a very different type of hydration innovation.

The stone labyrinth in this New Orleans city park was laid to symbolize healing in the wake of Hurricane Katrina.

A treasure trove of rare and exquisitely detailed antiques

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.