The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

A little-visited waterfall in an otherworldly landscape.

This elegant arc of a waterfall marks a religious turning point.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

A 131-year-old wunderkammer of Texas history.

Three hundred years of preserved Spanish colonial history in San Antonio.

A plaque and memorabilia collection mark where A&W got its start.

A historic pub with traditional Irish cuisine, fine drinks, and a paranormal past.

You can get anything you want at the former site of the restaurant immortalized by Arlo Guthrie.

This restaurant preserves and serves lesser-known and regional Nepali food.

The largest ancient burial mound in Ohio.

The ruins of the suspension bridge hang over Kingsbury Run as a ghost of racial prejudice.

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

The angel of death appears to weep black tears at this grave marker.

An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.