Walk up a ramp through a forest for panoramic views of Lake Michigan.

A mysterious stele of unknown origin sits on the peak of this curious mountain.

A mysterious light floating in the trees of Arkansas may be a piezoelectric effect.

Scotland is filled with standing stones that date back hundreds or thousands of years. This is not one of them.

An ever-growing collection of rare and strange objects owned by local Arkansas illusionist Maxwell Blade.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

A thousand year old oak tree survives in Liverpool.

19th century tunnels burrowed under Liverpool.

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."

Much of what constituted mid-century Liverpool now litters a beach outside of town.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

Site of the largest volcanic eruption in the last 25 million years, one which may have nearly wiped out humanity altogether.

Many generations of travelers have passed through the steep, smooth walls of this canyon.

Home to the ancient Roman temple of a lesser-known Celtic god that inspired J. R. R. Tolkien and H. P. Lovecraft.

Within the former ghost town of Cisco is a carefully restored tiny town with one resident and its own art residency.

The building features one of the last remaining free-floating spiral grand staircases in the U.S.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

A local scoured more than 1,000 acres for stone to create his masterpiece.

No one really knows how these old hobby horses got here, but the herd keeps growing.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.