A 115-year-old restored German dining hall awaits those who venture beneath the Minnesota State Capitol.

Cool down and fill up after visiting Teotihuacán at this bar and restaurant in a deep, underground cave.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

This curious fresh and salt water lake holds a secret that draws in deep divers from around the world.

Rainbow-hued in the summer and crystalline in the winter, this salty lake has inspired battles, temples, and plenty of awe.

The largest Christian church in the country is a complicated symbol of Spanish colonialism.

The waters of these secluded falls are said to have healing powers.

Seven streams tumble over a cliff, resulting in this dazzling waterfall in the Nigerian rainforest.

Spirits from these lakes are said to produce the local weather and odd phenomena as they bicker between themselves.

Deadliest lake in the world suffocated over 1,746 people in one night.

This colorful gate stands as an entrance to the walled city of Old San Juan.

A riverside tiny house with books and other treasures galore.

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

This Canary island is a quintessential example of nature’s beauty, and its unbridled fury.

A city continually buried under the ash of a volcano that has been erupting for more than 15 years.

Thermal springs underneath the seabed provide the heat and bubbles for these beachside natural hot tubs.

The hike to this stunning waterfall on a black sand beach is not for the faint of heart.

This mountaintop lake bubbles and steams in a perpetual boil, thanks to its direct link to the Earth's interior.

The cell which saved the life of Ludger Sylbaris, "the man who lived through Doomsday."

Enjoy the waters of this half-moon-shaped natural pool surrounded by breathtaking scenery.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.