Brought to you by the makers of fiberglass dinosaurs.

A French museum of wrought iron.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

A gigantic collection of teeny, tiny books.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

This massive library holds what was once the largest book collection in the world.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The final resting place to 300 Victorian-era pets hides inside the city park.

A modest park memorial pays tribute to one of the Titanic's most revered storylines.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

Prove you deserve to be fed by Kenny Shopsin.

Off-limits and full of venomous pit vipers, Brazil’s Snake Island has a frighteningly apt nickname.

A rustic house where intellectuals and investors tried to put an end to Cold War nuclear armament.

Some of the clearest water anywhere in the world.

This whimsically unique butterfly farm focuses solely on creating habitats for the gentle insects.

The sprawling, eccentric estate of Ames and Ames, a brilliant botanist, and a genius inventor and artist.

Miraculous vase predicts the future at this Tibetan Buddhist site in the Himalayas.

In a long-dry lake bed, these groups of massive stone pillars bear a striking resemblance to clumps of everyone's favorite fungi.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.