Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.

There's nothing shrimpy about the world's largest artificial prawn.

The 5.5-mile ring of steel posts around the Capitol Building is one of the largest (and most uniform) of its kind in the world.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

The fountain marks the area where hundreds of accused witches were burned at the stake.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

See massive fossils that are over 200 million years old in northeastern Arizona.

Rising out of miles of farmland, these buttes are sometimes called the world's smallest mountain range.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Humboldt's human-powered sculptures race across land and sea for days on end in a wacky quest for dominance.

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

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

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

The only sea in the world that has no land boundary.

Home to three historic ships from the age of Vikings.

Copenhagen's celebrated theme park and gardens.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

340 bicycles, 65 feet high.