The largest drain hole in the world.

What began as an illegal art installation has become a symbol for unity, ocean awareness, and coastline preservation.

On a dusty county road sit the ruins of a ghost town's abandoned church.

These massive mitts are made of 30 tons of devotional bronze.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Oldest building in California still in use.

A remote crossroads honoring a fallen talent.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Quite simply the largest tree in the world (by volume).

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

This large collection of tiny things revels in the art of fine machinery well made.

A large sculptural artwork and garden in Escondido, California.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.