This historic estate on the east shore of Lake Tahoe was home to an eccentric millionaire (and his pet elephant, Mingo).

Rising out of miles of farmland, these buttes are sometimes called the world's smallest mountain range.

Hopeless romantics will swoon over the sweet story behind this bright and colorful home.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

Frank Lloyd Wright built this suburban synagogue late in life, but it stands among his most iconic masterpieces.

Golden Gate Park's historic collection of plants.

Five candy-colored villages on the Italian Riviera.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

An homage to everyone's favorite prehistoric cartoon family.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

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

Venue for strange sideshow displays and musical acts.

The legendary building that needed ghostly approval before being built.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.