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

This stunning concert hall has become a symbol of Iceland's national recovery.

This beautiful, historic church looks like something out of a simpler past.

Peek through the gates at this oasis from the city, full of Old English charm.

Three columns of volcanic rock shoot out of the ocean.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Rising from the sea like a stone monster.

The highest peak in the state of Vermont has some interesting features.

Mai Tais and Navy Grog served up in one of the original tiki bars.

Walk over a 150 year old manhole.

Plot your trip through the city on the sidewalk.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

There are owls with glowing eyes in Herald Square.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Elevated freight railway turned wildly successful urban park.

A Prada store in the West Texas desert that is never open for business.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.