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

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.

A former Canadian Pacific Railway station turned liquor store, the first and only station in Canada visited by British royalty.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

The oldest residential street in Europe also features an optical illusion.

A 19th century grave house with a unique message formed by the stone supports to the railing around the walls.

A century-old magnolia tree is the only living landmark tree in New York City.

All that remains of the only English cathedral destroyed in the Protestant Reformation.

This amazing 15th-century mural remained hidden in plain sight for centuries.

A stone troll guards the hike that leads to this waterfall.

These colossal desert barcodes have been fine-tuning spy satellites for decades.

Everything you always wanted to know about borates is here.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

In a largely deserted ghost town, a little brick building recalls its history as a gold rush hub and haven for outlaws.

Known as the "Stairway to Heaven," this historic canal dates back to the 1700s.

A great example of the inventive canal bridges that were deliberately split down the middle.

The longest canal aqueduct in England was built without a plan to get water past the moving boats.

A unique flight of canal locks that owe their form to 19th-century cost-saving measures.

At night, a grove of towering redwood trees growing through the pavement block out all light from the so-called “Dark Park” of Madrone Avenue.

A former utopian healing center created by a huckster and built by derelicts.

This large pile of traveler-curated rocks by the dry lakebed is a longstanding tradition on the Old Mojave Road.