The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A massive Montreal stadium that has seen nothing but trouble since its inception.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

An eccentric inventor's castle home with its own indoor weather system.

The home, museum, and death site of Kodak's influential founder.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The site of the climactic scene from the classic horror film is now a historic landmark.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Eighty million natural history specimens call this gargantuan museum home.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

The final resting place of soldiers' loyal canine companions.

Follow the original medieval paths that wind through this intriguing section of the city.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

One of the few surviving street funiculars in the world.

Medicinal spa created with the discharge from a geothermal energy plant.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.