The western-most fortress on the Great Wall of China has gone from a strategic stronghold to a kitschy tourist carnival.

An abandoned desert hamlet swallowed up by sand.

Train cars and railroad artifacts abound at this restaurant devoted to railway history.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

The world's largest bioluminescent area was undiscovered by science until 2005.

You can still find treasures on the pebbly beaches of one of the world's oldest jade-producing areas.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

This roadside monument commemorates the huge weapon built by an Ethiopian emperor's hostages.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

This quaint mortuary chapel hides a stunning Celtic Revival and Art Nouveau interior.

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

A curious friendship between two inanimate ladies.

These headstones and a few stone foundations are all that remain of a once-booming mining town.

The legacies of two historic Black American institutions live on in this unassuming brick building.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

Five million people are laid to rest here, more than the population of Madrid itself.

The cluster of igloo-like domes forms the remains of an ancient burial ground.

The fight to make Bengali an official language started in this stunning university hall.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

From failed port town to Civil War fort, the ruins of this former defense saw their finest day in the television age.

The colonial city's social history is reflected in its fanciful door knockers.