The seawater playground of gilded-era San Francisco burned to the ground in 1966.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Tiki luxury on Nob Hill.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Wedged between two sets of row houses is an awkwardly located family graveyard.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

The iconic statue was moved to a new spot overlooking the James river after several years as a mascot for the local baseball team.

Jule Körner's house full of bizarre architectural details.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

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

Eclectic collection of dark and macabre antiques.

George Lucas donated this park to honor the birthplace of his two biggest movie franchises.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

This failed condo development was reborn as a street art hub.

Conflicting markers on its floor tell a tale of two city centers in San Antonio.

Neoclassical Revival mansion and set of horror cult classic Phantasm.

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

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

Coastal dunes, site of buried Egyptian movie set and former utopian colony.

A dwindling menagerie of anthropomorphic oil derrick animals still dot the barren California landscape.