The Empire Mine is "one of the oldest, largest, deepest, longest and richest gold mines in California."

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

The beauty and the beast of hydraulic mining is on full display at this California Historic State Park.

This replica of the Greek structure is in the heart of Nashville.

This historic train station has been converted to a locomotive themed hotel.

Hiroshima survivor on Riverside Drive.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

The final resting place of Christopher Columbus - or possibly someone else.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

At 207 feet, one of the world's longest continuous escalators.

Oldest building in California still in use.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

Four hundred granite steps were built into this massive rock by the National Park Service.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

The final resting place of the great navigator, or maybe his brother.

This museum glorifies the humble potato.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A 400-square foot model of historic Quebec is the playing field for a state of the art light and sound show.