A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

A heavenly experience, right here on Terra Firma.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A Hawaiian stairway to heaven—that you can't climb.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

A gargantuan crystal kingdom.

An ethereal glowing blue ocean cave in Croatia.

One person's lost luggage is another person's treasure.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This South London cemetery holds the remains of more than 15,000 people.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

Every autumn, this hillside is ablaze with red summer cypress.

An Aztec snake god has taken the material form of an apartment complex.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Once the most densely populated place in the world, this island is now a ghost town.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

The anatomical-pathological collection of a man who changed surgery.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.