Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.

The medieval woodcut-style artwork chronicles life in medieval London.

Deep in the Guatemalan jungle stands an ancient pyramid that once marked the reign of a king.

This former Nazi labor camp is now a poignant memorial, complete with giant Soviet-style monuments.

A 300-kilogram egg sculpture that embodied a neighborhood revival.

An abandoned film set location for a remote spaceport in a galaxy far, far away hides in the Tunisian desert.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

The commemorative stone column conceals a secret laboratory.

This medieval manuscript collection has some of the most obscure and ancient texts in the world.

At this small museum, visitors can view artifacts from the only battlefield in London during the War of the Roses.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

Its collection includes a broad array of social, geographic, graphic design, and political history.

The largest salt lake in the Sahara is mysteriously alluring.

The pockmarks across the building's facade are remnants of the Blitz.

An effigy of the deity emerges from a temple's water every 40 years.

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

A statue of the Soviet leader still stands in a quiet corner of Estonia’s most Russian city.

This striking memorial is one of Estonia’s most controversial Soviet leftovers.

This striking structure is the Socialist-modernist centerpiece of a former Soviet spa resort.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

This Singaporean food-court stall was home to the world's cheapest Michelin-starred meal.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.