Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Op-art architecture designed for happiness.

The topiary maze at the Habsburg hunting lodge.

Dine amidst exotic plants at this former royal greenhouse.

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.

This remarkable checkered church on a Corsican hilltop is fabled to have been built by angels.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

On the walking path from Monterosso to Vernazza, a small shrine dedicated to feline friends.

This "Atomic Egg" appears on the city of Garching's coat of arms.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

This taxidermy scene brings the struggle for survival in the Indian jungle to a quiet corner of a Manhattan museum.

This impressive scene portrays the elusive forest giraffe of Central Africa.

This morbid scene depicts the Darwinian drama of death on the African savannah.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

Here be dragons.

An aptly-named street near the birthplace of the modern LGBT rights movement.

An institution dedicated to the towering buildings that make up skylines in New York City and around the world.