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

A giant knight, sex education, date shakes, and Jesus coexist happily in this Coachella Valley desert oasis.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

Relics given to a Manhattan church to avoid seizure by the Italian government.

Have a steam and some blini at this cafe in a century-old bathhouse.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Historical figures from New York City's Catholic community reside in Midtown.

This innocent-looking townhome is actually a subway exit.

Bowl in splendor, if you're lucky.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

Sail in for a ’dam good slice.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

The attic of a four-century-old canal house hides a clandestine church.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

The R&B singer's modest church guarantees a religious experience, regardless of your beliefs.

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.