Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

A historic fort commemorating the United States' naval history.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

Hidden in the Santa Ynez Mountains off Highway 154, this tiny restaurant once served as a stagecoach stop.

This little gem of Spanish Colonial architecture has been abandoned since the 1950s.

This magnificent Crimean estate was once a playground of the Russian elite.

A castle perched precariously over the Crimean Sea.

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

A striking symbol of the Bulgarian capital.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

This 140-year-old beacon off the Florida Keys marks the wreck of a Navy ship that once roamed the Caribbean hunting pirates.

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

"We Seceded Where Others Failed."

A small poultry graveyard in the courtyard of a popular Key West watering hole.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

The ruins of the castle that chemicals built.

A popular winter vacation destination for migrating monarch butterflies.

Colorful Native American paintings are hidden within this small cavern.

Shop selling 500 flavors of soda has something for everyone.

In this historic region, homes and churches are carved into ancient volcanic rock formations.