This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

Art and a pun, all in one.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A striking 12th-century-style castle built on the edge of a cliff.

Ruins of a German Castle on top of a towering stone pillar.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

A slice of central Asia in the middle of Berlin.

Started as a kitchen garden, now the second largest botanical garden in the world.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Once used to protect important Roman trade routes.

In a rural Japanese town that has committed to sustainable practices, even the hotel is made from recycled materials.

One of the best-preserved examples of an old town lock-up in the country.

Take a step into the workshop where Edison and his employees revolutionized the world.

Randy Senna's Fascination and retro arcade is home to the last Fascination game in New Jersey, and one of seven remaining as of 2021.

A small structure built from used railroad ties honors the short term of America's 20th president.

Amazingly, this old machine within the Resorts Casino still functions.

Filled with history, this cemetery is maintained each summer by a few hungry goats.

This crumbling little graveyard was saved from the undergrowth by concerned veterans.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.