Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

A natural history wunderkammer in the middle of the desert.

A motel dedicated to Southwestern nostalgia.

A self-built castle made by a mysterious man.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

Tiny memorials honor individual victims of the Holocaust.

One of downtown Berlin's last reminders of its Communist past.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

A quaint Russian village in the middle of a German metropolis.

The "Prussian Versailles" that is as glorious today as when it was built.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

A striking 12th-century-style castle built on the edge of a cliff.

A remarkable two-country morph, this town is part of Germany legally but is by all other measures Swiss.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

It's good luck to be mocked by this monkey.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

A mistaken marker makes an erroneous claim along the historic Old Divide Road.