The ghostly remains of an accidental sea.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

A 200-year-old prison that now houses a peculiar crime museum.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

A watering hole where the options for seating include a bar, patio, or subterranean cave.

This shop specializes in oddities and Victorian-inspired wonders.

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

These millipedes glow not out of attraction, but as a not-too-subtle warning.

Exotic feline breeding compound and conservation center.

This Southern Californian Conservation Center is home to singing and howling apes.

The cobbled together compound of a deceased artist which now serves as a filming location.

A multimedia experience that chronicles the atrocities of racism.

Whiskey lovers, this is your happy place.

Venue for strange sideshow displays and musical acts.

A British pub embodies the spirit of a California legend.

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

A castle that was built stone by stone by an eccentric journalist.

Resting place of Hollywood's immortals is also site of summer film screenings.

From scholastic to sepulchral - now under reconstruction.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Nondescript elevator doors open to reveal a stunning, surreal world.

Recovered suit of a cannibalistic West African gang.