An ancient quarry rediscovered by a dog and claimed by biblical kings, a German cult, and the Freemasons.

A meow-velous tribute to a beloved street cat, made famous on the internet.

A sixth-century Byzantine cistern hidden below a modern carpet store.

A fountain standing as a testament to a doomed alliance.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

The world's largest frame offers spectacular views of the city's past and present.

A unique configuration of blown glass can be found inside this hotel lobby.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

This indoor ski resort has a mountain contained inside a mall.

A faithful reproduction of Al-Jazari's enormous water clock.

This artificial archipelago was supposed to resemble a map of the world.

Malaysia's floating mosque.

This Khmer-era temple includes a lintel that was stolen and displayed at the Art Institute of Chicago for years before returning to Thailand.

This Bangkok high-rise looks like a rudimentary LEGO elephant.

Bangkok celebrated its shifting monarchy with a militaristic homage to democracy.

A small 12th-century temple surrounded by waters believed to have curative properties.

A secluded, little-known temple hidden amid the dense jungle.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

A tall karst islet popularized by 007.