A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Hidden beneath the streets of London is a secret subway that only carried mail.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

This massive redwood tree has a hole in the base big enough to drive through.

A museum celebrating the Victorian obsession with hair art.

Home to the deepest rift anywhere on Earth.

A smoke stack so large, the Washington Monument could fit inside!

Bridge that died in war and was resurected.

An apparition of Virgin Mary in Herzegovina.

It houses the remains of a 17th-century version of the Titanic.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

A brush maker used his factory to protect blind Jews from the Gestapo.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

A naturally occurring tunnel in this Nordic mountain makes it look like it's been shot.

The people murdered during a 17th-century Norwegian witch hunt have been honored with a pair of stark, modern installations.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

A modern mechanical planetary system, part of a 10,000 year clock.