The Virginia farm where John Wilkes Booth met his grisly end is now largely forgotten.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The Kirkland Monument remembers a selfless Civil War hero who braved the battlefield to give water to his dying enemies.

This house covered in art created with volcanic rocks is shrouded in macabre lore.

An indigenous take on European design creates a stunning visual overload.

This cluttered cantina is famed for its cheese-spiked, raisin-flavored liqueur.

The "world's smallest volcano" has been used to store meals and dispose of dead bodies.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.

The miraculous hydrant that saved the Mission District in 1906.

Gold Rush-era tombstones line the park's paths.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Visible below the waves are memorials to the city's Gold Rush dead.

Dive bar built out of the remains of a whaling ship.

An vast warehouse of everyday treasures in Berkeley, CA.

A private home built to resemble the shape of a microscopic creature.

A celebration of once forgotten materials.

A storybook European village in Berkeley.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

Half of a waterfall goes into the river while the other half seems to disappear.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.