Built on the foundations of an ancient Roman villa, the unique architecture of this castle on the Catalan coast was used as a set for 'Game of Thrones.'

400 million years of erosion shaped these fascinating seaside caves, which made an appearance on 'Game of Thrones.'

This Late Gothic building that once housed Erasmus is now known as the filming location of "Suspiria."

A cable-suspension footbridge that hangs high above the Mill River.

An islet filled with wooden houses where the open sea meets a lagoon.

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.

This sculpture of a fisherman spent six years at the bottom of the Schuylkill River.

The oldest surviving presidential residence in the United States.

The spot where Oxford garnered its name was also home to a medieval philosopher and includes a house covered in statues.

More than a century old, this cast iron bridge on the Balmoral Estate leads to nowhere.

Hidden up a dusty track off the Georgian Military Road is this fascinating waterfall with mountainous views.

These prehistoric replicas were based on actual skeletal remains.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

Because sometimes you need to make a batch of frites even when the stores are all closed.

A series of sculptures beneath the waves promote ocean conservation and support coral reefs.

The longest covered bridge in Delaware.

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

This weeping, 10-foot-tall sculpture was a maquette for a 9/11 memorial.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.