A popular tourist cave with a dark past.

Free public park and gardens filled with peacocks and peahens.

Temporary Burning Man sculpture made of two 18-wheelers.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

A collection of haunted objects and macabre oddities under one roof.

A psychedelic labyrinth on the San Francisco bay.

This square in downtown Eugene is dedicated to the novelist and countercultural figure Ken Kesey.

This abandoned boat sits on a nude beach, is shaped like a UFO, and is covered in graffiti.

100-year-old shipwreck you can walk up to at low tide.

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

The neighborhood church casts a breast-shaped shadow that locals have come to call the “two o’clock titty.”

Built in 1906, this unique building was the first Hindu temple in the United States.

A shining, cold, black organ lies in San Francisco's financial district.

Faceless white figures loom over the city from the rooftop.

One of the last remnants of the city's Chinese nightclub scene is now a dive bar selling killer mai tais.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

An art supply shop holds the secrets of this quiet neighborhood's raucous Barbary Coast past.

Football field-sized microalgae production tanks on the Hawaiian coast create a stunning view from space.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

A unique set of caves that spits waves back out into the ocean.

An ode to one of the first concerts broadcast via satellite.