Before he was forced to flee the country under Nazi rule, Albert Einstein spent his summers in this custom-built lakeside house near Berlin.

Terrifying derelict military hospital once housed a recuperating Hitler.

Several of these strange cone-shaped bunkers can still be seen around the former Nazi headquarters.

This curious sculpture represents the perseverance needed to take to the skies.

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A wunderkammer of mysterious objects and stories.

Super-heavy Nazi architectural experiment.

A Bhutanese temple gifted from the isolated Himalayan kingdom is now a surprising cultural gem located at the University of Texas at El Paso.

This site honors the end of a 100-year boundary dispute between the United States and Mexico—all started by a river's shifting course.

A giant "X" symbolizes the blood spilled from the brutal Juárez drug wars.

When life gives you Prohibition, open a bar in Juárez.

A Los Angeles cemetery that was once at the center of a Supreme Court dispute.

A shockingly detailed small scale recreation of the temples of Abu Simbel.

This bizarre hotel on historic Route 66 has been plagued by rumors of paranormal activity.

A military vehicle collection, showcasing how war transportation advanced from horse drawn artillery to self propelled cannons.

Abandoned anti-ballistic missile base.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

Nancy Thompson's Home from "A Nightmare on Elm Street."

A long-vacant Scottish Rite temple in Hollywood has been converted into an art museum filled with Masonic relics.

This museum is a music lover's introduction to the iconic venue.

Where the leftovers of love affairs can live on forever.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

A shrine to a skeleton saint in the city of angels.