Visitors to this museum will find architectural oddities, an art gallery, and an unlikely bird sanctuary.

The inky volcanic sand leads to reefs teeming with aquatic life waiting to be discovered by snorkelers and divers.

Isolated atop this Balinese sea crag is a lovely Hindu temple that is said to be guarded by sea snakes.

This sacred cave temple is home to thousands of bats and according to legend, a giant snake king.

The wing of this deserted Boeing 737 almost touches the Dunkin' Donuts next door.

Sacred waters rescued from the wrath of a volcano.

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.

The name of this ancient Indonesian temple translates as "Elephant Cave" but it could be more accurately called "The Hellmouth."

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

Hindu temple of the dead home to hundreds of long-tailed macaques.

A beloved carnival gets a modern makeover in Los Angeles.

Every weekend, the parking lot of this Buddhist temple turns into a Thai street-food paradise.

A shrine to a skeleton saint in the city of angels.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

A common entry point to the Griffith Observatory trail holds its own wonders.

World-famous, Pink's still manages to keep its prized cult fetish status.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

Collected from all around Seoul, thousands of secondhand books create this photogenic tunnel.

An arcade packed with a rotating collection of unique independent video games.

This semi-hidden Manhattan restaurant is based out of a loading dock.

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

The "Seinfeld" diner.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.