This 1920s Dutch barge is now a floating bookstore.

A painfully obvious spy house sits right across the street from the Russian Embassy.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A 18th century graveyard and its astonishing cortege of macabre iconography.

The hallucinogenic center of the ancient world.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This cemetery features modernist statues as strange as its name.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

A fantastic castle rumored to be the birthplace of King Arthur.

Hear the quietest sound from across the dome.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

Catacombs turned marketplace.

The trials and tribulations of marking Poe's grave.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

This grand gothic brewery has been pumping out suds for over a hundred years.

The magic's in the hole!

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

An unusual round church in London with a Templar past.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.