This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

This former office building has been transformed into an immersive music venue and art space.

This multisensory alley has the ability to remind bustling citygoers to stop and smell the roses.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

Though tiki culture has gone in and out of fashion, the Tonga Hut has always been flying the flag in Los Angeles.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

This golf ball–shaped former desert real estate office now houses a UFO museum.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

The largest and most well-preserved petroglyph site in the Verde Valley.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

A mysterious spirit totem at the edge of Navajo lands.

An homage to everyone's favorite prehistoric cartoon family.

The eroded core of an ancient volcano is now accessible by a short hike.

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

A master of deception, Harry Houdini's greatest trick may have been living in two places at once.

From sax to spuds, get 'em all at this landmark music establishment.

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

Quite simply the largest tree in the world (by volume).

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Eons old volcanic activity created one of the most stunning rock formations in the United States.