An unusual heating plant that has garnered notoriety for its distinct shape.

This former brickworks pit is full of legends about its murky depths.

Take a leisurely ride on a 1906 cable car or a 1907 steam locomotive.

This 13th-century monastery chiseled into the side of a mountain is equipped with a bridge that can be lifted to protect against raids.

Once a gas station, this flightless airplane beside the Old Dixie Highway now houses a barbershop.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

A comfortable-looking armchair and a grandfather clock have been sitting on this sidewalk for the last 30 years.

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

One of the oldest libraries in the world is still operating and contains the oldest existing document in the Italian language.

A bright, colorful telling of the history of Mexico's youngest state.

Thermal springs underneath the seabed provide the heat and bubbles for these beachside natural hot tubs.

Remnants of the Roman empire's northern frontier nestled in suburban Glasgow.

A rococo room covered entirely in porcelain originally constructed for another royal residence.

A unique Soviet mosaic preserved on the facade of a shoe factory in Lviv.

Devotional offerings and pleas for intercession are left at this Depression-era shrine inside a nature preserve.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

Accessible only by train, the beauty of Agawa Canyon Wilderness Park is worth the journey.

This bell tower is the only one of its kind in the Netherlands and was a symbol of prestige.

The Latvian city of Ventspils is filled with dozens of cow statues showcasing unique themes.

Cloistered comestibles are served with style at this French Orthodox monastery.

What appears to be an ancient Roman temple is actually a Catholic church.

A serene but haunting memorial to protective wetland lost, the absence of which directly damaged the Lower 9th Ward following Hurricane Katrina.

One of the most valuable palace-garden complexes in the eastern borderlands—and one of the most haunted.