A remarkable feat of Victorian engineering across the Firth of Forth.

Legend says this sacred tree was a gift from goddess Athena.

These tiered rice paddies were carved into the hillsides 2,000 years ago.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

This rare, carefully curated collection showcases the history of neon inside a grandiose Elks lodge.

This stone once marked the boundaries of Liverpool's medieval markets.

The world's first motel is now an administrative building for an apple farm.

These caves secretly held national treasures during World War II.

A unique museum where guests can rent and operate a locomotive.

This tomb's name derives from a famous painting of a white horse found inside.

The name of the only golden Buddhist temple in Korea translates as "the temple that protects the country."

The remains of a Dominican friary, once one of the largest of its kind in the United Kingdom.

A unique structure located on the grounds of one of five grand palaces that were built by the Joseon dynasty.

Spain's largest bullring offers a unique glimpse at architecture and history.

Founded in 1873 to support the needs of the gold mines flourishing nearby, this is the last water-powered foundry in the United States.

After serving in World War II and picking up Apollo astronauts, this aircraft carrier has been turned into a museum overlooking the San Francisco Bay.

The supreme shrine of the state.

A lonely memorial to the 107 victims of Pan Am Flight 812, which crashed in Bali in 1974.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

A grave dedicated to the pioneers who settled California.

This human-made pond is part of a Korean palace complex first built in the 7th century.

Fifty years after a “blast blasted blubber beyond all believable bounds,” this idyllic natural area commemorates the carnage.

For decades, the parade of apostles that left the Expiatory Temple of Guadalajara remained hidden inside one of the towers.