These unusual houses look like giant boats that washed ashore on a residential street.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

The one-time watch house for incoming ships at the Golden Gate now stands abandoned and hidden in trees.

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

The ruins of the movie ranch owned by actor and stuntman Ray "Crash" Corrigan.

The historic cave is both a symbol of superstition and black magic and inspired one of the early Christian converts in Botswana.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

Where the alchemists dream of transmuting base metal into gold was actually achieved.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

A modern day curiosity cabinet.

Two thousand artifacts from around the world collected by one woman who loved to travel.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Lucha Libre (Mexican Wrestling) themed taco shop.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

An antique store houses the last operational diner from the defunct department store chain.

One part antique store, one part curiosities hodge-podge.

Once in disrepair, this popular Texas stop along iconic Route 66 has been restored to its past glory.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.