Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

The patron of this extravagant Art Nouveau confection insisted that nothing less than a boat should project from its facade.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

This 1920s Dutch barge is now a floating bookstore.

An unassuming London park is actually a pilgrimage site for modern clowns.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

Immortal combat in a Moscow museum.

An incredibly random collection of wax figures is displayed in a shopping center walkway.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

Stalinist skyscraper built with help of cryotechnology.

The tallest hotel in Europe.

Moscow's imposing monument to the Space Age.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Former headquarters of the KGB.

Museum celebrating the achievements of the Soviet space program.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.