The handiwork of a underdog clockmaker who solved an impossible problem for an Empire, and forever revolutionized seafaring.

2300-year-old Roman road connecting the empire.

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

This blowhole is supposedly caused by a trapped monster.

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

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

Forgotten and then destroyed by fire, this was once one of the largest saltwater swimming pools in the world.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

California's own majestic geyser is powered by a subterranean volcano.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.