Abandoned in 2009, this once popular resort destination now stands frozen in time.

Happy harbor seals frolic and snooze on this warm, sandy stretch of coast.

A couple turned their front yard into an artistic masterpiece.

Here, visitors can swing with the waves of the Pacific Ocean.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

One of the last remnants of the city's Chinese nightclub scene is now a dive bar selling killer mai tais.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A mysterious tunnel hidden in the shadows of a colorful, historic sanctuary.

This odd-shaped relic from the 1964 New York World's Fair found its way back home to Wisconsin.

The first all glass and steel residence in the United States.

A master of deception, Harry Houdini's greatest trick may have been living in two places at once.

This peaceful garden is hidden on the grounds of a spiritual organization founded by a pioneer yogi.

From sax to spuds, get 'em all at this landmark music establishment.

A historic fort commemorating the United States' naval history.

A beloved carnival gets a modern makeover in Los Angeles.

World's oldest operating science fiction and fantasy club, once home to Ray Bradbury and L. Ron Hubbard.

The building was originally a gas station built to resemble a Japanese tea house.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

This print shop boasts one of the largest pinball arcades in San Francisco.

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

An enormous artwork that colorfully celebrates over 150 years of US military achievements.

Early prototype for Frank Lloyd Wright's Guggenheim.

An overlooked and unassuming engineering marvel.