A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This rare basalt crater lake is used to study the Moon and Mars.

Half-size replica of the Taj Mahal.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The magic's in the hole!

A heavenly experience, right here on Terra Firma.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

A posh members-only club with a literally dramatic history.

New York's oldest and possibly grandest keeper of books.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

A very classy 1920s-era bar right in Grand Central Station.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A three-tiered waterfall plummets from a mountain cave with amazing views over the countryside.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

A mailbox that saved a nature reserve.

Centuries-old bridges grown from tangled roots.

A beautiful 62-acre Catholic shrine and botanical garden.