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

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

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

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

Three columns of volcanic rock shoot out of the ocean.

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

The hometown of movie legend, military officer and All-American guy next door, honors this great actor.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

At 207 feet, one of the world's longest continuous escalators.

Right next to departures—how convenient!

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

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

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

A double agent hid information for the Soviet Union beneath this bridge for more than 20 years.

The only surviving 19th-century water-powered mill found in the Washington, D.C. area.

This former Cold War missile control site played an important role in the creation of GPS.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

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

These unusual rooms on wheels are holdovers from the 1960s.

Where pardoned turkeys once spent their all-too-brief final days.

A secret rendezvous spot where John S. Mosby and his Rangers would meet to divvy up their loot after raids.