The saltiest lake in all of Crimea is also the pinkest of the pink and teeming with life.

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

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

One of the most extreme deserts in the world, these snow-free valleys harbor life, despite the hostile environment.

Natural time capsule containing an alien ecosystem.

Hawai'i's oldest wooden house was shipped around Cape Horn from Boston in 1820.

With a floor made of thick glass, this observation deck offers a full view of Sunwapta Valley's mountains and rivers.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

The now-overgrown beach resort was once frequented by Yugoslav military elite.

A hidden slot canyon in the southern Nevada desert makes an unexpected oasis and scenic hike.

Shoreline strewn with the remains of ghostly fallen trees.

Stroll through a wonderland of stupendous moss-covered trees.

Rustic natural hot springs in the deciduous rain forest.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

This grove of ghostly cedars was killed in 1700 by an enormous tsunami, felt from the United States to Japan.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

These unique toilets feature transparent glass covered in PDLC film.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

An enormous, inside-out glass globe built in 1935.

The former locus of Boston's high culture has been shuttered and buried for over 70 years.