These spooky and unusual stone formations create an underworldly landscape.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

A 300-yard long natural tunnel runs through a ridge deep in the Appalachian Mountains.

The Cimetière des Chiens et Autres Animaux Domestiques is one of the oldest pet cemeteries in the world.

A naturally beautiful, seemingly bottomless deep blue spring.

A record-breaking pool that uses computers to turn ocean water into cleaner, private swimming water.

Established in the '60s, a family-owned tropical drink bar founded by Ray Buhen, bartender to the stars.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

One of the largest sculpture collections in the U.K. features history's greats, from Bob Dylan to Galileo, in bronze.

The gravestone of a famous poet features a fittingly poetic epitaph chosen by the writer himself.

An extraordinary mechanical calculator designed by the mathematician and philosopher Gottfried Leibniz.

This Russian diner is staffed entirely by twins.

These spartan apartments are provided to clergymen visiting Vatican City.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

This artful dam holds back a crater-made reservoir that can be seen from space.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

Continuing a tradition of movie magic on the site of America’s oldest continually operating movie theatre.

Banksy gives themself artistic license with this piece of London street art.

A vinyl-lover's Shangri-La.

Come for the pastrami, stay for the million-dollar art.

Perhaps the most unique of any Frank Gehry design for one simple reason: Gehry himself actually lives here.

Discover for yourself what Herb Caen referred to as "the best kept secret in the Bay Area."

Hanging over one of Japan's "hidden valleys," these vine bridges must be remade every three years.