A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

At this site, two historic stone bridges spanning the Sing Sing Kill—one right on top of the other.

The first pet cemetery in the United States.

This unique art installation used boiler tubes from a decommissioned power plant to resemble Antelope Canyon.

The damming of the Colorado River buried an iconic geologic formation before record-breaking drought brought it back.

Most-visited and most-photographed slot canyon in the American Southwest.

A sharp bend in a dramatic river canyon cut through red rocks.

These mid-century motels once housed the workers who built the Glen Canyon Dam.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

Red sandstone structures dominate this landscape, which has been inhabited for some 5,000 years.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

This giant rock arrived at this quiet park thousands of years ago on the back of a massive glacier.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

The narrowest house in America is seven feet of pure spite.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

An overlooked and unassuming engineering marvel.

A strange house built only at night, with rumored mystic inspiration.

A fake town founded by Western movie stars is now becoming a hip desert community.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

Avoid gangster interaction while window-shopping.