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.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

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

The only theatre in the world constructed specifically for sound movement.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

An artsy hidden staircase leads to breathtaking views of San Francisco.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

A giant Troll lurks under one of Seattle's oldest bridges.

Medicinal spa created with the discharge from a geothermal energy plant.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Elevated freight railway turned wildly successful urban park.

A walk through the historic city center, under the streets of Seattle.