A library of rare occult books in Los Angeles.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

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

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

A lush green oasis in the middle of Chicago.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A museum and shop on Bourbon Street located in the French Quarter.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

A bizarre house filled with an astounding array of collections.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

An emerald-green grotto just a short trip from Austin.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

An enormous, inside-out glass globe built in 1935.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A snapshot of the city's fascinating voodoo culture.