A former utopian healing center created by a huckster and built by derelicts.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

The celebrated eyesore created by starry-eyed sweethearts.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A wondrous old library overlooking the nation's capital.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

A wunderkammer hidden on the top floor of the Hartford statehouse.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

One of the oldest living oak trees in the Southeast.

A 300-ship graveyard, with a few still visible at low tide.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

A Saint Nicholas-themed ghost town in the Mojave desert.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

A ghost town at the airport is now a refuge for blue butterflies.

This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.