A popular swimming hole that hides one of America's most deadly diving spots.

Human remains in varying states of decay are strewn about this Texas State facility for scientific study.

One of the highest points in Bexar county offers birdseye views of San Antonio and a four-story stone tower.

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

Ruins of a once-opulent grand Victorian resort.

These boots are made for selfies.

This hidden sculpture garden full of Wild West art is one of San Antonio's best-kept secrets.

A 131-year-old wunderkammer of Texas history.

An enormous, inside-out glass globe built in 1935.

The small sanctuaries lie just off the beaten path near one of Bhutan's most famous attractions.

Preserved "bog person" that is over 2,000 years old.

The ominously named cave is home to some remarkable ancient art.

In the Middle Ages, villagers would sound this stone trumpet to boost fertility and coax fish to shore.

A tiny red pebble marks what may be the quietest outdoor spot in the United States.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

This Australian beach is composed of tiny shells.

A Hawaiian stairway to heaven—that you can't climb.

The world's third-largest scale model of the planets.

This floating sculpture of ice is a poignant reminder of nature's power.

Winter roadtrips are a little more exciting on this seasonal, slippery expansion of Sweden's national highway system.

Said to be one of Sweden's most haunted places, this vicarage once even attracted a ghost-busting priest.

On Japan's Tashirojima Island, cats are king.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.