A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

This 19th-century fountain's namesake animal isn't what you think it is.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Uganda's smallest savannah park is home to over 350 species of birds and mammals.

Rare recess caves fill this unbelievably beautiful Ohio park.

One of the last few period-correct, hand-operated canal locks in the country.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

Hidden on two floors of downtown building, the library has an incredible deal on rent.

A museum dedicated to the history and exploration of both popular music and science fiction.

The first declared National Monument in the United States.

A fitting attraction for the corn capital of the world.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

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

A geological mystery on Camelback Mountain.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

The only road through the heart of Glacier National Park.