The largest tea plantation in Southeast Asia supplies gorgeous vistas alongside tea for the surrounding countries.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

A magically clear, blue river that seems to spring from nowhere.

Malaysian fireflies create a dazzling display as thousands light up in unison.

This whimsically unique butterfly farm focuses solely on creating habitats for the gentle insects.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The unique ecosystem atop an Australian mountain is home to some colorful inhabitants.

Mysterious hillside with a continuously burning natural fire.

This super steep hike ascends 2,000 feet in less than a mile.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

An abandoned asylum where patients have been forgotten but their possessions remain.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

An original apothecary from 1792.

A haunting tribute to pioneering photographer Clover Adams.

An astounding collection of medical specimens, including bits of President Lincoln.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

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

The culprit who accidentally lit this 3,500-year-old tree on fire stated "I can't believe I burned down a tree older than Jesus."

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This community on a small Venetian island has taken to painting their houses in bright neon hues.