Fortified homes of highland warriors that are still in use today.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Monastery, army base, and infamous Soviet Gulag in the far Russian north.

An autonomous republic of Orthodox monks.

Site of one of World War I's most horrific scenes.

Where giant ships go to die.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

Cold storage for agricultural biodiversity.

A "miracle" that seems to produce more holy fistfights than holy revelations.

The tallest hotel in Europe.

Home of the future Emperors of Russia.

Gargantuan home of Russian science.

Stalinist skyscraper built with help of cryotechnology.

Giant money stones of Yap.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Flamboyant architecture from the turn of 20th century.

Burlesque Hospital Themed Restaurant.

The "Mystery and Company of Merchant Adventurers" is an Elizabethan-era hangout in Moscow.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Cold war icon and onetime "hole" in the iron curtain.

The ruins of an ancient island city built atop a coral reef in the South Pacific are spectacular and strange enough to have inspired H.P. Lovecraft.

Swiss vineyards in a UNESCO heritage site.

Bridge that died in war and was resurected.