More gold than anywhere else, ever.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

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

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

Couple's personal collection of pinball machines turned public pinball museum.

New York City's smallest piece of private property.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

The private clubhouse for the members of the Academy of Magical Arts.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This semi-secret storybook hedge maze is also the oldest garden in the city.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

A monument to the art of slicing people open.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

A whimsical village of unique treehouses resides in a Washington forest.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

These eerie outliers of the lightning bug family glow a mysterious blue color.

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A submerged archeological park still holds the wonders of a Roman Sodom.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.