The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

The remains of Crystal Palace Great Exhibition of 1851.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

The long, arduous journey of the stones of the Abbey of New Clairvaux.

Secret Manor, a house full of legends, the least of which is the haunting of long-deceased ladies of pleasure.

This Taoist temple is the oldest continuously used Chinese temple in California.

This lesser known Hearst estate is a fairytale village built from the stolen bones of historic European buildings.

The southernmost outpost of the Russian Empire in colonial America.

A true treehouse near Hawai'i Volcanoes National Park.

A controversial memorial at the place where Captain Cook met his violent end.

The spot where the namesake of the Douglas fir met his mysterious end on a Hawaiian volcano.

Formerly a lovely white sand beach this Hawaiian stretch is now a trap for countless tons of trash.

The southernmost point in the United States is a beautiful place to look at but a deadly place to wade in.

These ancient sacred grounds granted amnesty to those who managed to reach them.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

Watch the newest land on the planet form before your eyes.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

A tunnel of hardened lava along Maui’s famous Road to Hana.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

This tiny home built on revenge appears to be scarcely wider than a Volkswagen.