Three columns of volcanic rock shoot out of the ocean.

The most powerful waterfall in all of Europe.

This elegant arc of a waterfall marks a religious turning point.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

An encyclopedic collection of mammal penises.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Walk in the footsteps of the gods and straddle two tectonic plates.

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

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Rising from the sea like a stone monster.

Medicinal spa created with the discharge from a geothermal energy plant.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

This pun was simply waiting to come to life, and one defense contractor made it so.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

The land is home to swimming ponies and a legendary 18th-century treasure.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

The oldest continuously operating fish market in the United States.

The romance of early commercial flight still fills this Art Deco destination.

The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

Home of the physician who set the leg of John Wilkes Booth after the Lincoln assassination.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.