A terrific purveyor of natural history objects and curios.

This highest bridge in the world spans such a great chasm that it had to be established using rockets.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

The world's largest neutrino telescope searches for secrets of the universe at the South Pole.

A neutrino detector built into the largest man-made underground cavity in the world.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

The oldest stone house in Paris was built by its most famous alchemist.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

The history of radiation is on safe display at the foot of a radiation science laboratory.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The world's oldest individual clonal tree looks like a wimp despite standing tall for 9,550 years.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

A true treehouse near Hawai'i Volcanoes National Park.

The famous aviator's final resting place is a study in natural beauty.

This massive solar system model is sprawled out across Maine's suburban wilderness.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

The world's largest model of our planetary system.

From neon green watering holes to bleached elephant foetuses, this Mozambique museum makes natural history weird.

Once living up to its name as the grandest hotel in all of Africa, the Grande Hotel is now home to a community of squatters.

This lab's maddening silence is good for business but bad for sanity.

Natural time capsule containing an alien ecosystem.

Cold storage for agricultural biodiversity.

Moscow's imposing monument to the Space Age.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.