The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The heads of two giant mythological water horses honor Scotland's horselord past.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

There must be a pun in this haystack somewhere...

Commemorating the spot where the famous scientist fed his pigeons.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The former hotel where Tesla invented the radio.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Visit the monolithic tomb of America's most famous general.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Step inside Lucy, the world's largest "elephant."

Yo, Adrian!

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

Huge masonic hall in Philadelphia with lavishly themed rooms.

This elaborate towering structure was once famed for its revolutionary height.

This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

An exotic wildlife habitat right off The Strip.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.