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

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

Travelers exchange letters with woodland creatures at this mini post office.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

This "life-size" depiction of Mickey Mouse as a half-lobster is both whimsical and a bit creepy, standing guard over the Boston waterfront.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

One man's extraordinary topiary garden in a small South Carolina town.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

Elaborate drama imparts an appreciation for 19th century hardships.

An encyclopedic collection of mammal penises.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

On Japan's Tashirojima Island, cats are king.

A swing to dangle you off the very edge.

A gargantuan crystal kingdom.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.