Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

The world’s first penitentiary, meant to be humane, drove men insane.

The largest caravanserai in Cyprus also includes amazing examples of Ottoman architecture.

What was once a unique system of urban elevators is turning into a mechanical ruin.

Built for the 1962 World Cup, this fully functioning botanical clock is still ticking.

A whimsical European-style chateau that calls the coast of Chile home.

This bridge later moonlighted as a local jail.

Legend has it that Bishop Oliver King dreamed of angels ascending to heaven and ordered the church's reconstruction in the late 1400s

Bristol’s narrowest street is a ‘Hidden Gem’ for stunning street art

The unpredictability of this pendulum's movements has drawn visitors to this magnificent church for decades.

A miniature version of the ship that took John Cabot from Bristol to Newfoundland.

This pedestrian footbridge honors Pero Jones, an enslaved African who lived in Bristol.

Installed in 1938, this was the first moving neon sign in Bristol

A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.

The last remnants of Fort Pitt also hold the distinction of being the oldest structure west of the Allegheny Mountains.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

These unusual rooms on wheels are holdovers from the 1960s.

A serene temple with stunning stained glass hides in downtown Dallas.

This Byzantine Church was moved from Paris to Athens block by block.

This antique shop specializes in the history of print and design.

At the base of the Golden Gate Bridge, a small sign basically begs for a high-five.