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

This majestic building, where Brazil's coffee brokers once bought and sold beans, now houses a coffee museum.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Bring your hiking shoes, wool socks, and thermal underwear for a stay in these cozy forest huts.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

The sign at the garden gate reads: "These Plants Can Kill."

This deceptively salty lake looks like blushing pink lemonade.

Hungarian mummies in beautiful painted coffins.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

A store that sells all manner of bones, insects, and animal curiosities.

Thousands of well-dressed mummies below a monastery.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

One woman's decades-long obsession with the "La Fée Verte."

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

An antique curios dealer and hybrid taxidermist.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

Ample proof that watery ends make for well-preserved, millenia-old mummies.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

Repository for more than 22 million pickled specimens.

Long-secret natural history museum, featuring the skull of a "Terror Bird."