A once great mansion stands in stately ruin.

Mosaics, storks, and brothels—this ancient city has it all.

The "Prussian Versailles" that is as glorious today as when it was built.

A mecca for India's Jains.

“Wagon Jobber" turned smokehouse magnate's family-owned business is still going strong 100 years later.

Former bath house turns gastropub.

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

World's oldest and largest space launch facility, once a secret missile testing site.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A Texas-sized particle collider that was abandoned due to its Texas-sized budget.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

Medicinal spa created with the discharge from a geothermal energy plant.

A fifth-century temple improbably built into the side of a cliff.

A natural gas leak provides a flickering flame beneath a waterfall.

An Australian lake whose pink hue defies scientific explanation.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

A marvel of Byzantine engineering under the streets of Istanbul.

An abandoned castle owned and ignored by Masons carries a cursed history.

One of the world's southernmost bars.

Seventeen oak trees sprout from the roof and walls of this tiny chapel without any visual evidence of roots.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.