No one knows how this Pacific Northwest spruce tree came to have so many trunks.

A haunting collection of the vanished and disappearing natural world.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

World-famous, Pink's still manages to keep its prized cult fetish status.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Famously misunderstood wonder of the ancient world

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

Make your reservation to have coffee with some kitties.

A church of bones, decorated with 40,000 human skeletons.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

360° views of the city plus five floors of optical illusions and hands-on science.

The world's largest collection of witchcraft regalia.

Hollowed out cedar log tubs set in an ancient towering forest.

A floating cat sanctuary on an Amsterdam canal.

This geothermal hot spring hides beneath a slowly growing mineral dome.

Towering basalt columns, a creation of fire and ice.

This frequently-photographed waterfall takes only a short hike to visit.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

Eighty million natural history specimens call this gargantuan museum home.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.