A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Budapest's Communist-era statues, banished to the suburbs.

Festival of Perpetual Life and Rebirth.

A tribute to an iconic act of defiance from the Croatian War of Independence involving a small car.

100-year-old shipwreck you can walk up to at low tide.

Where Nor'easters go to die.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

A massive sea stack famous for its appearance in The Goonies.

Mountain known by the Tillamook Tribe as "the place of the supreme deity."

Two massive rock outcroppings on the Oregon coastline.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The largest wooden building in the world now houses a fascinating collection of aircraft.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

This massive redwood tree has a hole in the base big enough to drive through.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

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

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The first declared National Monument in the United States.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

What do a giraffe, an elephant, and reasonably priced steaks have in common? This roadside restaurant filled with exotic taxidermy.