This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

These particularly resplendent rodents are the state animal of Maharashtra.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

A surreal museum of extraordinary industrial objects.

An abandoned swimming pool decays on the outskirts of Berlin.

A relic of Victorian grandeur hides beneath a busy South London road.

This imposing 20th-century castle was abandoned before it was ever completed.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.

Blitzkrieg bop your way through Berlin's Ramones Museum.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

This classic restaurant features a gorgeous mirror-clad room.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

Started as a kitchen garden, now the second largest botanical garden in the world.

This steamship has been beautifully rusting off the coast of an Iranian island since the 1960s.

This Croatian island is for sale but no one is buying due to the dozens of accused Nazi sympathizers who were massacred there after WWII.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

Stroll through Welsh history in a village of reconstructed structures.

A vintage video game wonderland in downtown Reykjavik.

This aromatherapy shop and mini-museum cofounded by the Sigur Rós frontman documents Icelandic history through scents.