San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A hidden subterranean installation offers a view of the sky.

The restored and active Victorian-era final resting place of San Francisco.

Tiki luxury on Nob Hill.

Its buzzing collection honors vibrator history.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

A historic hydroelectric power plant serves as the unusual backdrop for a public park.

Once a year, at exactly 11:11 a.m., this monument comes to life.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

The first permanent memorial to a unique secret weapon of World War II.

A former department store turned into a quirky restaurant.

A geological mystery on Camelback Mountain.

This small, unassuming street is now a canvas for color and creativity.

Seattle's super-sized cowboy apparel once belonged to a themed gas station that wrangled in herds of tourists.

Approximately 50,000 gallons of water gush from these springs, creating the Metolius River.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

Is this the most Portland place ever?

A beautiful 62-acre Catholic shrine and botanical garden.

Made of bronze and wearing a blue gown, this lady sat in the same location in the Yantic Cemetery for more than 119 years.

The world's largest indoor go-kart racetrack is hiding in Connecticut.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

Ruins of a historic medical facility sits eerily by the water.

This small-town pizzeria won the Hollywood lottery.