A thin golden line commemorates the deadliest terrorist attack in recent German history.

This Prescott institution is widely considered the oldest bar in Arizona.

Buried beneath the New Mexico sands are believed to be millions of copies of Atari's E.T. video game.

The remains of a historic ranch house that witnessed the Civil War battle dubbed the “Gettysburg of the West.”

The rounded structure has evolves from service station to citrus to souvenirs to Charley survivor.

In Stone Town, Zanzibar, the city’s culture and history is told through its doors.

Get up close to a life-sized model of a spent-fuel dry cask and learn how Arizona’s largest power plant operates in a desert.

The Lowcountry color with the power to stop evil from entering a home.

One of “America’s Most Endangered Historic Places” is a building shaped like a giant turtle.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Giant steel and concrete dinosaurs near Route 66 invite passerbys into a mineral shop.

The history of drinking is told through 1,800 cups, chalices, and glasses at this exhibit.

This giant sculpture made of trash is a critique of society's wastefulness.

Building owners can take out tiles for free at this repository for historic building materials.

A hidden three-foot-wide house separates these two regal churches.

The original version of Porto's most famous sandwich is just as good here as it was a century ago.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

A seven-foot-tall cast concrete Native American Chief stands on the south railing of the historic Commerce Street Bridge, commissioned in 1914.

Check the time in 145 countries at once with this East German relic.

Decorative folk arts dot the countryside barns of Berks County. 

Ancient catacombs form the foundation for this Rococo orgy of a church.