This Quebec estate is home to the elaborate gardens of a self-taught horticulturist.

The California capital city once stood 10 feet lower than it does today.

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

The little-known final resting place of one of America's greatest writers.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

Walking by this fence is like strolling along a portal to various fictional worlds.

Stenciled handprints and wall paintings dating back 10,000 years, some of the earliest forms of cave art.

A huge musical instrument played by the ocean.

Stones speckled along Harris Avenue reveal hidden nuggets of the past.

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

Acres of natural wonders left behind by a socialite-turned-gardener.

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

From Japan to Italy, this California park explores the world's cultures through their gardens.

This museum boasts the ninth-largest collection of insects in North America.

Before it was abandoned and left to rust alongside the road, this riverboat starred in a John Wayne movie.

This 19th century train workshop is a treasure trove of railroad history.

A sweet symbol marks the place where torturous executions were once carried out.

"You don't need a rocket scientist to build a steam engine, but we've got one." -Museum docent on the credentials of a restoration volunteer.

This simple highway curve has become a comedic pilgrimage site.